Calculate the average speed of a car of it traveled 180km in 2.0hr

A child sitting 1.20 m from the center of a merry-go-round moves with a speed of 1.35 m/s. (a) calculate the centripetal acceleration of the child.

The velocity of waves in a ripple tank is 20 centimeters per second, and standing waves are produced with nodes spaced 3.0 centimeters apart. what is the frequency of the wave generator?

Microscopes are used to study the structures of rocks. Overtime microscopic have become more and more powerful. As a result of this technological improvement our structural information of rocks has what

What type of wave is formed by a sound wave? a. transverse wave b. light wave c. longitudinal wave d. water wave

Explain how DNA sequences can provide evidence of evolution.

If the frequency of an electromagnetic wave is increased, what happens to the energy?

Under what circumstances will a binary star produce a nova?

You swing a bat and hit a heavy box with a force of 1500 n. the force the box exerts on the bat is

Which type of acceleration would be best if you were merging onto the interstate?

What happens to the sound as frequency decreases? * a. it gets higher pitched b. it gets lower pitched c. it gets louder d. it gets quieter