The force component along the displacement varies with the magnitude of the displacement, as shown in the graph. (a) 0 to 1.0 m,
(b) 1.0 to 2.0 m, and
(c) 2.0 to 4.0 m. The force component along the displacement varies with the magnitude of the displacement, as shown in the graph. (a) 0 to 1.0 m,
(b) 1.0 to 2.0 m, and
(c) 2.0 to 4.0 m.
Answers
The question pertains to the concept of work done by a force over a displacement, emphasized by the calculation methods for constant and variable forces and illustrated through the area under a force vs. displacement graph.
Explanation:The force component along the displacement varying with the magnitude of the displacement refers to the physical concept of work done by a force along a certain displacement. The work done is calculated by integrating the force component in the direction of displacement over the path taken. When the force component (F cos θ) is constant, the work done is simply the product of this force component and the displacement (d), represented as W = Fd cos θ. However, when the force varies along the displacement, the calculation involves dividing the area under the force vs. displacement graph into strips, calculating the work done for each strip as (F cos θ)i(ave) di, and summing these values to find the total work done. This method highlights that the total work done is equivalent to the area under the curve in a force versus displacement graph, which is a core principle in physics for understanding work and energy.
(a), The force component remains relatively constant
(b), There's a discernible increase in the force component
(c), The force component exhibits a steeper incline
The graph depicts how the force component changes concerning displacement magnitude across three intervals: (a) 0 to 1.0 m, (b) 1.0 to 2.0 m, and (c) 2.0 to 4.0 m.
In segment (a), the force component remains relatively constant, suggesting a consistent force acting within this range.
Transitioning to segment (b), there's a discernible increase in the force component, indicating a proportional rise in force with displacement.
However, in segment (c), the force component exhibits a steeper incline, suggesting a nonlinear relationship where the force increases more rapidly concerning displacement magnitude.
Such variation implies complex interactions between the force and displacement, possibly influenced by factors like material properties, external forces, or system dynamics.
Analyzing these intervals aids in understanding the system's behavior and optimizing its performance within different displacement ranges.
Related Questions
Gas is confined in a tank at a pressure of 11.0 atm and a temperature of 25.0 degrees C. If two-thirds of the gas is withdrawn and the temperature is raised to 75.0 degrees C, what is the new pressure of the gas remaining in the tank?
Please help!
Answers
What type of machine is a seesaw?
A.
simple machine
B.
compound machine
Answers
Answer: Option (A) is the correct answer.
Explanation:
A seesaw is a simple machine which has a long board and on a fixed part it is balanced in the middle.
For example, a seesaw on which children play in the park is balanced at the middle on a fixed point so that children sitting on both the sides can move up and down with the same force.
Thus, we can conclude that seesaw is a simple machine type of machine.
Seesaw is classified as a simple machine. The correct option is( A)
What is simple machine ?A seesaw is categorized as a basic machine since it functions using the levering principle. One of the six traditional simple machines, together with the inclined plane, wedge, screw, wheel and axle, and pulley is the lever.
The lever in the case of a seesaw is a long, rigid beam that pivots on a fulcrum. A back-and-forth motion is possible because of the effort put in on one end of the seesaw, which forces the other end to rise and fall.
Therefore, The correct option is ( A)
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What is the difference between stretching a t shirt and stretching a rubber band?
Answers
A group of atoms with aligned magnetic poles are known as which of the following?
A. current
B. poles
C. domains
D. fields ...?
Answers
Answer:
The correct answer is option C. "domains".
Explanation:
The regions within a magnet at which the magnetization is in a uniform direction are known as magnetic domains. These domains are group of atoms with aligned magnetic poles, this means that the magnetic moments of the atoms are aligned and that their point to the same direction. The magnetic domains are the ones that give the magnetic behavior of ferromagnetic materials.
Den pushes a desk 400 cm across the floor. He exerts a force of 10 N for 8 s to move the desk.
What is his power output? (Power: P = W/t)
a. 1.25 W
b. 5 W
c. 40 W
d.500 W
Answers
P = F * s/t
Here, F = 10N
s = 400cm = 4m
t = 8 sec.
Substitute their values in to expression,
P = 10 * 4/8
P = 10 * 1/2
P = 5 Watt
So, your final answer is 5 W
Hope this helps!
Answer: The correct option is Option b.
Explanation:
Power is defined as the rate of work done by an object.
Mathematically,
[tex]P=\frac{W}{t}[/tex] .....(1)
And work done is the product of force exerted on the object times the displacement covered by that object.
Mathematically,
[tex]W=F.s[/tex]
Putting this value in above equation, we get:
[tex]P=\frac{F.s}{t}[/tex]
where,
P = power = ?W
F = Force exerted = 10N
s = Displacement = 400cm = 4m (Conversion factor: 1m = 100 cm)
t = Time taken = 8s
Putting values in above equation, we get
[tex]P=\frac{10\times 4}{8}\\\\P=5W[/tex]
Hence, the correct option is Option b.
In an electrical circuit, which of the following controls whether or not electrons flow through the circuit?
Answers
The formula for degrees Celsius is: C = 5/9 (F − 32), where F stands for degrees Fahrenheit.
Part 1: Solve the equation for F and show all steps.
Part 2: Determine how many degrees Fahrenheit 20 degrees Celsius is.
Answers
F=(9/5)20+32F=36+32=68 degrees Fahrenheit
To solve for F in the conversion formula, multiply both sides by 9/5 followed by adding 32 to isolate F. When converting 20 degrees Celsius using the formula, the result is 68 degrees Fahrenheit.
Part 1: Solving the equation for F
To solve the equation C = 5/9 (F - 32) for F, perform the following steps:
Multiply both sides by 9/5 to get rid of the fraction on the right side: 9/5 × C = F - 32.
Add 32 to both sides of the equation to isolate F on one side: 9/5 × C + 32 = F.
Part 2: Converting 20 degrees Celsius to Fahrenheit
To find out how many degrees Fahrenheit 20 degrees Celsius is, plug 20 into the rearranged equation:
F = (9/5) × 20 + 32.
Therefore, F = 36 + 32 = 68 degrees Fahrenheit.
The waves with the lowest energy and lowest frequencies of the electromagnetic spectrum are the
a. x rays.
b. radio waves.
c. microwaves.
d. gamma rays.
Answers
So, option B is your answer
Hope this helps!
While skiing, Ellen encounters a ledge that sends her flying horizontally at a rate of 12 m/s. How far away will she land if the ledge is 7 meters high? ...?
Answers
y = -g/2*t^2 + y0
When she hits the ground, y = 0. With y0 = 7 and g = 9.80,
0 = -4.90*t^2 + 7
t = 1.20 s
Thus, her horizontal displacement is then
x = vt
x = (12)(1.20)
x = 14.3 m
Which is true about atoms?
a.atoms have no mass
b.atoms are mostly empty space
c.most of the space in an atom is taken up by the nucleus?
Answers
This is the only answer. Hope this helps!
Put these greenhouse effect events in order, starting with light's origin.
1. Visible and shortwave radiation heat Earth
2. Earth radiates longwave radiation
3. Longwave radiation is reflected downward
4.. Longwave radiation heats Earth
Answers
1. Visible and shortwave radiation heat earth.
2. Earth radiates longwave radiation.
3. Longwave radiation is reflected downward.
4. Long wave radiation heats earth.
what is the energy of a photon whose frequency is 5.2 x 10 to the 15th s -1? Cassie(:
Answers
Where h is constant
h - Planck constant
f - frequiency
E equals 6.626 times 10 in the minus 34th times 5.2 times 10 in the 15th
Equals 3.44552 time 10 in the minus 18th
a 727 jet needs to attain a speed of 200 mph to take off. if it can accelerate from 0 to 200 mph in 30 seconds, how long must the runway be? (assume constant acceleration) ...?
Answers
Since v = dx/dt = 200t
I took the integral of dx = integral of 200t dt
and I got x = 100t^2 + C
So I plugged in 0.5 as t and got x = 25
So x = 25 miles
Using the equations of motion, the length of the runway required for the 727 jet to take off can be determined. By calculating the acceleration and using the distance formula, we find that the runway must be at least 44.7039 meters long.
Explanation:To determine the length of the runway required for the 727 jet to take off, we can use the equations of motion.
First, convert the speed from mph to m/s: 1 mph = 0.44704 m/s.Next, calculate the acceleration of the jet using the formula:acceleration = change in velocity / timeGiven: final velocity = 200 mph = 200 * 0.44704 = 89.408 m/sInitial velocity = 0 m/sTime = 30 secondsacceleration = (89.408 - 0) / 30 = 2.98027 m/s².Finally, use the equation:distance = initial velocity * time + (1/2) * acceleration * time²Given: initial velocity = 0 m/sacceleration = 2.98027 m/s²time = 30 secondsdistance = 0 * 30 + (1/2) * 2.98027 * (30)² = 0 + 44.7039 = 44.7039 metersTherefore, the runway must be at least 44.7039 meters long for the 727 jet to take off.
Which of the following is a difference between a mercury barometer and an aneroid barometer?
a. The mercury barometer is smaller
b. The mercury barometer can provide a continuous record of pressure changes
c. The aneroid barometer does not use mercury to measure pressure changes
d. The aneroid barometer is not as portable
Answers
The key difference between a mercury and an aneroid barometer is that an aneroid barometer does not use mercury to measure pressure changes, instead utilizing a mechanical metal chamber that expands and contracts in response to atmospheric pressure.
An aneroid barometer measures pressure changes without the need of mercury, which is how it differs from a mercury barometer. A mercury barometer consists of a glass tube filled with mercury, measuring atmospheric pressure by the height of the mercury column. In contrast, an aneroid barometer uses a sealed, evacuated and flexible metal chamber known as an aneroid cell, which expands and contracts with atmospheric pressure changes. These mechanical movements are then translated into pressure readings.
Comparatively speaking, the statement 'The aneroid barometer does not use mercury to measure pressure changes' is the correct difference between the two types of barometers. Therefore, the answer to the student's question is option (c).
Barometers using water are impractical because they would need to be extremely tall, over 30 feet, due to water's lower density compared to mercury, which allows for a more compact design in mercury barometers.
Laissez-faire situations are characterized by a high degree of government involvement (t or
f.
Answers
False
The Laissez-faire is a french term which means 'let you do' or leave alone. With regards to economics it refers to the least control of government in trade and business of the country. With regards to the polity, it refers to the least interference of government in the life of individual. So Laissez-faire situations are actually characterized by a least government involvement.
looters break a statue into pieces. how do you expect the weathering of pieces of rock to change
Answers
The strength of the force of gravity depends on a. the masses of the objects and their speeds. b. the masses of the objects and the distance between them. c. the weight of the objects and their speeds. d. the masses of the objects and their weights.
Answers
Magnetic induction is used for what?
Answers
Frequency is measured in units called?
Answers
The frequency of a wave is the inverse of time period. Hence, its unit is s⁻¹ which is equivalent to Hz unit. The standard unit of frequency is Hz.
What is frequency ?Frequency of an event is the number of cycles of that event per unit time. For a wave frequency is the number of wave cycles per second. Hence, frequency is the inverse of time period.
Frequency of a wave is directly proportional to the energy of the wave and inversely proportional to the wavelength. Hence, the high frequency waves are shorter waves.
The unit of frequency is called Hertz (Hz) which is equal to s⁻¹ because, it is the frequency is inverse of the time period of the wave. Therefore, frequency is measured in units called Hertz.
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Which of the following statements is true for a cell placed in beaker containing an isotonic solution?
Select one of the options below as your answer:
A.
Water molecules flow from the cell into the beaker.
B.
Water molecules flow from the beaker into the cell.
C.
Water molecules flow in both directions at the same rate.
D.
There is no movement of water molecules.
....i dont even know how to nswer this one becasue i dont know wht and isotonic solution means
Answers
The correct answer is C. water molecules flow in both directions at the same rate.
A 30.0 g arrow is shot by William Tell though an 8.00 cm thinck apple sitting on top of his son's head. If the arrow enters the apple at 30.0 m/s and emerges at 25.0 m/s in the same direction, with what force has the apple resisted the arrow?
...?
Answers
Final answer:
The resistive force of the apple on the arrow is 46.875 N in the direction opposite to the arrow’s travel, calculated using the work-energy theorem and the change in kinetic energy of the arrow as it passes through the apple.
Explanation:
To find this force, we can use the work-energy theorem which states that the work done on an object is equal to its change in kinetic energy. Since the arrow slowed down, the apple did work against the arrow's motion.
The change in kinetic energy (ΔKE) of the arrow can be calculated using the kinetic energy formula KE = 1/2 mv², where m is the mass of the arrow and v is its velocity. By finding the difference in kinetic energy at the entry and exit points of the arrow through the apple, we can determine the work done by the apple, which is equal to the force times the distance the force acted (in this case, the thickness of the apple).
ΔKE = 1/2 m(vf² - vi²) where vi = initial velocity and vf = final velocity.
ΔKE = 1/2 × 0.030 kg × (25.0² - 30.0²) m²/s²
ΔKE = -3.75 Joules (since the kinetic energy decreased).
The work done by the apple, W = ΔKE = -3.75 J (the negative sign indicates the force acted opposite the arrow's direction).
Using work (W) = force (F) × distance (d), we get:
F = W/d
F = (-3.75 J) / (0.080 m)
F = -46.875 N
So, the resistive force of the apple on the arrow is 46.875 N in the opposite direction of the arrow’s travel.
The force exerted by the apple resisting the arrow is 30.0 N.
Explanation:The force exerted by the apple resisting the arrow can be calculated using Newton's second law of motion, which states that force (F) is equal to the change in momentum (Δp) divided by the time interval (Δt) over which the change occurs. Since the arrow's mass (m) is given as 30.0 grams and its initial and final velocities (v_i and v_f) are 30.0 m/s and 25.0 m/s, respectively, the change in momentum is calculated as Δp = m * (v_f - v_i). First, convert the mass to kilograms (1 g = 0.001 kg) to get 0.030 kg. Then, substitute the values into the formula:
Δp = 0.030 kg * (25.0 m/s - 30.0 m/s) = 0.030 kg * (-5.0 m/s) = -0.150 kg m/s.
The negative sign indicates that the momentum of the arrow decreases. As the arrow changes momentum, Newton's third law of motion tells us that the apple exerts an equal and opposite force on the arrow. Therefore, the force exerted by the apple on the arrow is 0.150 kg m/s divided by the time interval over which the change occurs. The time interval isn't provided, but for the purpose of this calculation, let's assume it's instantaneous (Δt = 0).
F = Δp / Δt = -0.150 kg m/s / 0 = -0.150 kg m/s² = -0.150 N.
However, this negative force indicates the force exerted by the arrow on the apple. To find the force exerted by the apple resisting the arrow, we take the magnitude of this force, which is 0.150 N. Thus, the force exerted by the apple resisting the arrow is 0.150 N, or 30.0 N in magnitude when considering the absolute value.
As we learn more, _________ are often revised. scientific laws scientific theories observation experiments
Answers
Answer:
Scientific theories
Explanation:
Why is a protective apron or lab coat important to use when working with acids?
Answers
Answer:
c
Explanation:
At the beginning of a basketball game, a referee tosses the ball straight up with a speed of 4.6 m/s. A player cannot touch the ball until after it reaches its max height and begins to fall down. What is the minimum time that a player must wait before touching the ball?
Answers
Final answer:
The minimum time a player must wait before touching the basketball after it has been tossed straight up by the referee is approximately 0.469 seconds, which is the time taken for the ball to reach its maximum height.
Explanation:
The student is asking about the time it takes for an object (a basketball in this case) to reach its maximum height when thrown vertically upwards. This situation can be analyzed using the equations of motion under constant acceleration due to gravity. Since gravity will be slowing down the ball until it stops and starts falling, we can use the initial velocity and the acceleration due to gravity to find the time taken to reach the maximum height.
Using the equation v = u + at, where v is the final velocity (0 m/s at the maximum height), u is the initial upward velocity (4.6 m/s), a is the acceleration due to gravity (-9.8 [tex]m/s^2[/tex]), and t is the time in seconds, we can solve for t. Here, the negative sign for acceleration indicates that gravity is acting opposite to the direction of the initial velocity.
Substituting the known values, we get:
0 = 4.6 m/s - (9.8 [tex]m/s^2[/tex] × t)
t = 4.6 m/s / 9.8 [tex]m/s^2[/tex]
t = 0.469 seconds (rounded to three decimal places)
This is the time for the ball to reach the peak of its motion. To find the minimum time that a player must wait before touching the ball, we just consider this time, since the ball starts to fall immediately after reaching its maximum height.
A horizontal rope is tied to a 50.0kg box on frictionless ice. What is the tension in the rope if,
A. the box is at rest
B. the box moves at a steady 5.0m/s
C. the box has v_x=5.0m/s and a_x=5.0m/s²
Answers
The tension is 0 because there is no net force.
B.
The tension is once again 0 because the acceleration is 0 which means there is no net force.
C.
F = ma
F = 50 kg x 5 m/s²
F = 250 N
A).
The tension in the rope when box is at rest is [tex]\fbox{\begin\\0\text{ N}\end{minispace}}[/tex].
Further Explanation:
The box, is tied to a horizontal rope, is placed on the surface of frictionless ice. The box is at rest and therefore, the velocity and acceleration of the box are zero.
Given:
The mass of the box, placed on the surface of frictionless ice, is [tex]50\text{ kg}[/tex].
The velocity of the box is [tex]0\text{ m/s}[/tex].
Concept:
The net force on the box, tied to the rope and placed on the surface of the frictionless ice, is equal to the product of mass of the box and the acceleration of the box.
The net force on the box is:
[tex]F=ma[/tex] ...... (1)
Here, [tex]m[/tex] is the mass of the box, [tex]a[/tex] is the acceleration of the box and [tex]F[/tex] is the net force on the box.
The box is placed on the surface of ice which is frictionless. Therefore, the net force on the box is equal to the tension produced in the rope.
The tension produced in the rope:
[tex]\fbox{\begin\\T=ma\end{minispace}}[/tex] ...... (2)
Here, [tex]T[/tex] is the tension produced in the rope.
Calculation:
Substitute the values in the equation (2).
[tex]\begin{aligned}\\T&=50\text{kg}\times0\\&=0\text{ N}\end{aligned}[/tex]
Thus, the tension in the rope when box is at rest is [tex]\fbox{\begin\\0\text{ N}\end{minispace}}[/tex].
B).
The tension in the rope when box is moving at a steady speed of [tex]5\text{ m/s}[/tex] is [tex]\fbox{\begin\\0\text{ N}\end{minispace}}[/tex].
Further Explanation:
The box is moving at the steady speed of [tex]5\text{ m/s}[/tex]. The acceleration of the box is zero because the rate of change of velocity with respect to time is zero.
Given:
The velocity of the box is [tex]5\text{ m/s}[/tex].
Calculation:
Substitute the values in the equation (2).
[tex]\begin{aligned}\\T&=50\text{kg}\times0\\&=0\text{ N}\end{aligned}[/tex]
Thus, the tension in the rope when box is moving at a steady speed of [tex]5\text{ m/s}[/tex] is [tex]\fbox{\begin\\0\text{ N}\end{minispace}}[/tex].
C).
The tension produced in the rope when the box is moving with velocity [tex]5\text{ m/s}[/tex] and it has acceleration [tex]5\text{ m}/\text{s}^2[/tex] is [tex]\fbox{\begin\\250\text{ N}\end{minispace}}[/tex].
Given:
The acceleration of the box is [tex]5\text{ m}/\text{s}^2[/tex].
The velocity of the box is [tex]5\text{ m/s}[/tex].
Calculation:
Substitute the values in the equation (2).
[tex]\begin{aligned}T&=50\text{ kg}\times5\text{ m}/\text{s}^2\\&=250\text{ N}\end{aligned}[/tex]
Thus, the tension produced in the rope when the box is moving with velocity [tex]5\text{ m/s}[/tex] and it has acceleration [tex]5\text{ m}/\text{s}^2[/tex] is [tex]\fbox{\begin\\250\text{ N}\end{minispace}}[/tex].
Learn more:
1. Conservation of energy brainly.com/question/3943029
2. The motion of a body under friction brainly.com/question/4033012
3. A ball falling under the acceleration due to gravity brainly.com/question/10934170
Answer Details:
Grade: High School
Subject: Physics
Chapter: Kinematics
Keywords:
Acceleration, frictionless surface, steady speed, tension in the rope, tension in the string, net force, ice-box system, 250N, 250 newton, 250 Newton, 0 N, 0 newton, 0 Newton, rope mass system, string mass system.
Which of the following is not true of mutations?
A. Mutations can't result in a change in appearance.
B. A mutation is permanent.
C. Mutations can be passed from parent to child.
Answers
A Mutations can't result in a change in appearance
because quit contrary they can for example what would be a white mouse with a mutation in fur color can have brown fur due to the mutation
Answer:
A. Mutations can't result in a change in appearance.
Explanation:
A mutation is a sudden change in DNA that occurs at random in genetic material and can be transmitted to offspring. A mutation can also be caused by exposure to ultraviolet or ionizing radiation, chemical mutagens, or viruses. When the mutation occurs, it is permissible and continues with the individual until the day of death, as it is irreversible as it has modified the coding of DNA. When a mutation occurs, it can cause differences in the appearance of the individual, such as Down's syndrome, which changes not only the appearance, but the organism altogether. Therefore, we can consider that the answer to your question is the letter A.
Felipe drives his car at a velocity of 28 m/s. He applies the brake, which slows the vehicle down at a rate of 6.4 m/s2 and causes it to slow to a stop. How long does it take for the car to stop? Round your answer to the nearest tenth.
I'm supposed to use derived formulas to find the answer but I don't know which one to use.
Answers
What happens to light that shines on an object but is not transmitted?
A. It is scattered or refracted.
B. It is polarized or absorbed.
C. It is reflected or refracted.
D. It is reflected or absorbed.
Answers
If you know the components of a vector, what mathematical relationship can be used to find the magnitude of the vector?
Answers
No matter if system that you are observing is 2D or 3D or higher (which is imaginery) pythagoras theorem will be applied.
Formula for determining magnitude is:
[tex]M = \sqrt{x^ + y^2 + z^2 + ...} [/tex]
Number of turms inside square root you take depending on dimension of your system.
Cindy runs 2 kilometers every morning. She takes 2 minutes for the first 250 meters, 4 minutes for the next 1,000 meters, 1 minute for the next 350 meters, and 3 minutes for the rest.
Cindy’s average speed for the entire run is __ meters per minute. One kilometer is the same as 1,000 meters.
Hint: Average Speed = Total Distance/Total Time
Answers
It's 200 on Edmentum