A hockey puck moves 18 meters southward, then 12 meters northward, and finally 8 meters southward.
For this motion, what is the distance moved?
Distance (m) =
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What is the magnitude and direction of the displacement?
Magnitude (m) =
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Dir'n =
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Suppose while hauling rocks, you accidentally drop one. it breaks apart in flat, planar sections. what type of rock did you just drop? 20 points

What happens when a rubber rod is rubbed with a piece of fur?

Anonzero net force acts on a particle and does work. which one of the following statements is true? the kinetic energy of the particle changes, but the speed of the particle does not change. the kinetic energy of the particle does not change, but the speed of the particle does change. the kinetic energy of the particle changes, but the velocity of the particle does not change. the kinetic energy and the speed of the particle change, but the velocity of the particle does not change. the kinetic energy, speed, and velocity of the particle change.