4. Suppose a moving object has a kinetic energy of 100 J. What will the object's kinetic
energy be if:
its speed is doubled?
4k
a.
b. its speed is tripled?
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c. its mass is doubled?

In a system, when potential energy decreases, then entropy also decreases. true false

Auniform crate c with mass mc is being transported to the left by a forklift with a constant speed v1. what is the magnitude of the angular momentum of the crate about point a, that is, the point of contact between the front tire of the forklift and the ground

Avehicle accelerates from 0 to 30 m/s in 10 seconds on a straight road