The labels of the axes in a line graph consist of _____. A. only the units of measurement B. only the variable name C. the variable name and units D.
the relationship shown
Answer:only the variable name
What color of light in the visible spectrum appears brightest?
How long does it take our solar system to make a complete orbit around our galaxy?
Table tennis the path of a table-tennis ball after being hit and hitting the surface of the table can be modeled by the function h=-4.9t(t-0.42) where h is the height in meters above the table and t is the time in seconds. how long does it take the ball to hit the table?
We are given the equation:
h = -4.9 t (t – 0.42)
In this problem, to solve for the time when the ball hit the table, the height h must be equal to zero. That is, h = 0 so that:
0 = - 4.9 t (t – 0.42)
0 = (t – 0.42)
t = 0.42 seconds
How much do you know about the water cycle and the impact that humans have on the water cycle?
Which of the following is a unit of volume of solids?
Cubic meters
Square meters
Liters per cubic gram
Gram per cubic centimeter
Answer:
Cubic meters is the unit of volume.
Explanation:
Volume :
Volume is the multiplication of height, width and length of the solids.
In mathematically term,
[tex]V = w\times l\times d[/tex]
Where, w = width
h = height
l = length
Put the unit into the formula
[tex]V = m\times m\times m[/tex]
[tex]V =m^3[/tex]
This is the unit of volume.
We know that,
Square meters is the unit of area.
Liters per cubic gram is the unit of density.
Gram per cubic centimeter is the unit of density in CGS.
Hence, Cubic meters is the unit of volume.
What type of matter will determine how much inertia an object has?
saad has mass 80 kg when resting on the ground at the equator . what will be the centripetal acceleration on saad if the radius of the earth R is 6.4×10^6 m.
The scientist who incorrectly theorized that it was the positive charge that moved through a circuit was...
a girl pushes a cart to the left a 100-N force. a boy pushes it to the right with a 50-N force. The net force exerted on the cart is
If the planet mars is about 56 million kilometers from earth how long would it take for a radio wave sent from a space satellite circiling mars to reach earth
Ilya and Anya each can run at a speed of 8.30 mph and walk at a speed of 3.30 mph . They set off together on a route of length 5.00 miles . Anya walks half of the distance and runs the other half, while Ilya walks half of the time and runs the other half.
How long does it take Anya to cover the distance of 5.00 miles ?
How long does it take Ilya to cover the distance?
Find Ilya's average speed.
If you slow the motion of water molecules down, they are more likely to become
If you slow the motion of water molecules down, they are more likely to become ice crystal.
What is heat energy?Most people use the term "heat" to describe anything that feels warm, but according to science, heat is the movement of energy from a heated object to a cooler one.
Heat energy is the only thing that results from the movement of tiny particles known as atoms, molecules, or ions in liquids, solids, and gases. One substance can absorb heat energy from another, and the flow caused by a temperature difference between two objects is referred to as heat.
Hence, If you slow the motion of water molecules down, the heat energy from water molecule is taken away and they are cooled down. And more likely, water molecules are froze down and turns into ice crystal.
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An object is projected horizontally at 8.0 m/s from the top of a 122.5 m cliff. how far from the base of the cliff will the object strike the ground?
If while riding in a smooth-riding train, you toss a coin upward, the coin will normally land ______.
Final answer:
The coin will typically return to your hand.
Explanation:
When you toss the coin upward, it follows a parabolic trajectory due to the force of gravity acting on it. However, because you and the coin are moving at the same velocity and in the same direction as the train, no external horizontal forces are acting on the coin. As a result, the coin maintains its horizontal velocity relative to you throughout its motion. This means that while the coin moves vertically, its horizontal position relative to you remains unchanged. Consequently, as the coin descends, it will ultimately land back in your hand, following the same vertical path it took when tossed upward.
Compare the size of forces due to static, sliding, and rolling friction between two surfaces.
Static friction is the greatest and occurs when two surfaces are stationary relative to each other. Sliding or kinetic friction is typically less and happens when two surfaces are sliding against each other. Rolling friction is usually the least and occurs when an object rolls over a surface.
Explanation:When comparing the size of forces due to static, sliding, and rolling friction between two surfaces, it's important to note that different types of friction have different magnitudes. Static friction occurs when two surfaces are stationary relative to each other and it tends to be the greatest type of friction. This is due to the fact that it is overcoming the initial force that keeps an object at rest.
On the other hand, sliding friction or kinetic friction, is typically less than static friction. This type of friction happens when two surfaces are sliding against each other. As the surfaces are in motion, it's easier to maintain that motion, thus requiring less opposing force.
Lastly, rolling friction is generally the least among the three. It occurs when an object rolls over a surface, such as a wheel over a road. Because only a small portion of the object is in contact with the surface at any given time, there is less surface area creating resistance, and thus less friction. However, the actual magnitude of these forces depends on the specific materials of the two surfaces in contact and the normal force acting on the objects.
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How much heat energy (in megajoules) is needed to convert 7 kilograms of ice at –9°C to water at 0°C?
The sun has more mass than earth, which has more mass than the moon. if the distance between each object was the same, which gravitational force would be the largest?
What is the approximate wavelength of a light whose second-order dark band forms a diffraction angle of 15.0° when it passes through a diffraction grating that has 250.0 lines per mm?
Answer:
Homeboy up top was right its 414nm^^^
Explanation:
EDGE2021
Objects on the moon's surface have an acceleration due to gravity one-sixth that on the earth's. What would the 50.0 kg boy weigh on the moon?
Answer: 80 N
Explanation:
The acceleration due to gravity on Earth is [tex]g=9.8 m/s^2[/tex]. On the Moon, it is 1/6 that on the Earth, so the acceleration due to gravity on the Moon is
[tex]g'=\frac{1}{6}g=\frac{1}{6}(9.8 m/s^2)=1.6 m/s^2[/tex]
The weight of the boy on the moon can be calculated as
[tex]W'=mg'[/tex]
where m=50 kg is the boy's mass. By substituting in the formula,
[tex]W'=(50 kg)(1.6 m/s^2)=80 N[/tex]
20 PTS! HELP PLS!
The following devices depend on energy transformations. For each device, name the form of energy that is transformed and the resulting form of energy.
1)An electric light bulb
_________ energy is transformed into _________ energy and _________ energy.
2) A battery
_________energy is transformed into _________ energy and _________ energy.
the distance a softball is pitching from mound to the batter is
3. The function of the _______ is to convert the up-and-down motion of the piston into rotary motion that can be used to power the vehicle.
Reyna kicks a ball, which then rolls across a grassy field. Which is the best explanation for why the ball eventually comes to a stop?
A. The force of gravity pulls the ball down into the grass until it can no longer move
B. The force of friction between the ball and the grass slows the ball to a stop.
C. The force from air resistance slows the ball to a stop.
D. A force is not necessary because all things naturally come to a stop.
Option B is correct:)
Sorry im so late!
Answer:
B. The force of friction between the ball and the grass slows the ball to a stop.
Explanation:
When Reyna kicks the ball the force due to contact between her foot and ball accelerate the ball and hence it starts moving on the grass
But after some time ball stops rolling on the grass. So we can conclude here that there must be some external force on the ball due to which it stops rolling on the grass.
As we know that state of motion of an object will change only when some external unbalanced force act on an object.
So here this external unbalanced force is due to grass which resist the motion of ball and it stops.
Here this resistance force is known as friction force of grass on the ball which resist the motion of ball and it stops so correct answer will be
B. The force of friction between the ball and the grass slows the ball to a stop.
Please Help:
A torpedo fired from a submarine is propelled through the water at the speed of 20.00m/s it explodes on a target 100.0s away. if the sound of the explosion is heard on the sub at 101.4s after launch, what is the speed of sound in water?
You perform an experiment in which you find out how much mass evaporates from a liquid when it is placed in direct sunlight or in the shade. Which piece of technology is appropriate for gathering the experimental data you need? A. Tape measure B. Thermometer C. Computer D. Scale
A solar-powered car is traveling at constant speed around a circular track. what happens to the centripetal acceleration of the car if the speed is doubled?
a. the centripetal acceleration remains the same.
b. the centripetal acceleration increases by a factor of 2.
c. the centripetal acceleration is decreased by a factor of one-fourth.
d. the centripetal acceleration increases by a factor of 4.
e. the centripetal acceleration is decreased by a factor of one-half. answer:
A car traveling at 40.4 m/s skids to a stop in 3.34 s. Determine the skidding distance of the car. (Assume uniform acceleration ) Be sure to show your work.
A tuning fork produces a sound with a frequency of 256 hz and a wavelength in air of 1.33 m. find the speed of sound in the vicinity of the fork.
Final answer:
The speed of sound in the vicinity of a tuning fork with a frequency of 256 Hz and a wavelength of 1.33 m is approximately 341.28 m/s.
Explanation:
The speed of sound can be calculated using the formula:
Speed of sound = frequency x wavelength
Given:
Frequency of the tuning fork = 256 Hz
Wavelength in air = 1.33 m
Substituting the given values, we get:
Speed of sound = 256 Hz x 1.33 m = 341.28 m/s
Therefore, the speed of sound in the vicinity of the fork is approximately 341.28 m/s.
Many of the technological advances over the last 50 - 75 years have been in the area of weaponry and warfare, such as atomic/nuclear weapons, radar, biological weapons, etc. These advances have both positive and negative aspects. Which statement describes a negative aspect of these advances? A) The advances in body armor protect individuals and prevent deaths that previously could not be prevented. B) Advances in communication and transportation have made it easier to prevent attacks and rescue those who need be rescued. C) Advances in satellite imagery have made desired targets easy to hit with little destruction of innocent life and property. D) The lingering radiation after detonation of atomic weapons destroys the land and continues to harm people and animals long after the blast.
Answer:
D
Explanation: