What can alter the motion of an object

What is the weight of a rock that has a mass of 7kg?

Which is an example of precipitation? O A. clouds O B. groundwater C. rivers O D. snow

An observation which is descriptive is considered

A 98 kilogram man is accelerating forward at a rate of 1.2 m/s2. What is the unbalanced force necessary to produce the movement?

A potter's wheel moves from rest to an angular speed of 0.10 rev/s in 20.2 s. Assuming constant angular acceleration, what is its angular acceleration in rad/s^2? Answer in units of rad/s

You hold a metal ring horizontally above a bar magnet standing on its end. You drop the ring and catch it before it reaches the magnet.

What do we call seismic waves that are transmitted along the outside of earth?

Through which type of material does sound tend to travel at the highest speed? A. Sound travels at the same speed in every material B. Solids D. Liquids

How does a low pressure system determine the weather in an area?

Molecules at room temperature move freely. What happens to the molecules when heat is removed until it freezes? Molecules group together Molecules slow down and contract Molecules speed up and expand Molecules move freely