Why does athlete pushes the earth backward fith his feet and hands just before the race starts

Every 6 seconds a pendulum completes 1 cycle. What are the period and frequency of this pendulum?

When tuning a guitar, by comparing the frequency of a string that is struck against a standard sound source (of known frequency), what does the one adjusting the tension in the string listen to?

What happens during a chemical change? Mass is lost composition changes composition stays the same

What are some examples of tools or objects that apply force?

Use this technique to find a formula for the intensity I of a sound, in terms of the sound level β and the reference intensity I0. There will be a quantity (10 dB) involved in your calculations. When you enter your answer, leave off the unit dB.

Why is fluorine special in terms of electronegativity?

What is the sum of 1370 cm, 1575 mm, and 8.63 m in meters

What happens when you split a hydrogen atom?

In an electromagnetic wave in free space, the electric and magnetic fields are A. parallel to one another and perpendicular to the direction of wave propagation. B. parallel to one another and parallel to the direction of wave propagation. C.

How do you communicate to a deaf person.