A guitarist is tuning a guitar. She hears a low beat every 2.0 seconds. What is the difference between the correct frequency and measured frequency of the guitar string?

Answers

Answer 1

A "beat" is an audible period that arises due to a difference wave between two sine oscillations. With that, if the guitarist hears 2 beats per second, i.e., at a frequency of 1/2s = 0.5 Hz, the difference between the guitar and the reference (a tuner tool) is 0.5Hz. This could be due to the guitar being 0.5Hz under the reference, or 0.5Hz above the reference.


Related Questions

What two factors keep Earth in orbit and around the sun and the moon in orbit around Earth?
A) force and speed
B) mass and distance
C) gravity and inertia
Eliminate
D) gravity and distance

Answers

The correct answer is C. Gravity and inertia.

Explanation

Gravity is a force that makes objects attract other objects. Earth, planets, sun, moon, and other objects in the universe have forces of gravity that allow them to be in a constant orbit. For example, the sun's gravity makes the planets of the solar system rotate around it, however, not only does the force of gravity act. The other factor that influences this movement is the law of inertia that establishes that an object is going to remain in constant rest or movement with constant speed as long as an external force does not act on it. Therefore, it is possible to affirm that what allows the Earth to orbit around the Sun and the moon around the Earth, is the force of gravity and the law of inertia. So, the correct answer is C. Gravity and inertia.

Which of these is outside of the solar system? sun Saturn galaxy moon

Answers

Our solar system consists of the sun and the 9 planets and their moons.

The galaxy is outside our solar system.

I would assume Galaxy, everything else is in our solar system.

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