What determines the frequency and amplitude of the sound produced by a vibrating object?

I need to write this as a hypothesis.

A bicycle is going 7 m/s. He squeezes the brakes, giving him an acceleration of - 1.2 m/s2. How fast is the bicyclist going after 3 seconds of applying the brakes?

Whose ideas did Charles Coulomb compare electric forces to? A) Albert Einstein B) Isaac Newton C) Georg Ohm D) James Watts E) Allesandro Volta I chose B) Isaac Newton ... is that correct?

Positively charged particle?

which component of the Star Wars movies is possible according to our current understanding of physics?

Place these features in order from smallest to largest: mountain system, mountain range, mountain belt, mountain.

Describe the factors that form deep currents

A comet is cruising through the solar system at a speed of 50000 kilometers per hour for 4 hours time. What is the total distance traveled by the comet during this time in kilometers, miles, and light years?

A gas in a closed container is heated with 12J of energy, causing the lid of the container to rise 3m with 5N of force. What is the total change in energy?

What are illuminated objects?

During one year a population of blue jays has zero population growth. which must be true about the blue jay population at the end of the year compared to the beginning of the year?