A 21 kg child on a 5.9 kg bike is riding with a velocity of 4.5 m/s. What is the momentum of the child?

The speed of an object undergoing constant acceleration increases from 0 m/s to 23 m/s in 10 seconds. How far does the object travel during the 10 seconds

You do 5 joules of work to move a 4 newton object 5 meters. find your efficiency.

What is the movement of heated materials upward and the movement of cooled materials downward called?

If a 990 kg car is traveling on the road and the Ff is 360 N to the east and the applied force is 1330 N to the west, is the car displaying acceleration or in constant motion? Choose the best answer to describe the car's motion.

A 3.50 kg block is pulled along a moving conveyor belt at a constant speed of 0.500 m/s relative to a stationary observer while the belt moves at a constant speed of 0.200 m/s in the opposite direction. If the coefficient of kinetic friction is 0.

Which element is most likely to carry electric current easily?

What is energy? it's from my physics book

An object is thrown upward with a speed of 12 m/s on the surface of planet x where the acceleration due to gravity is 1.5 m/s2. how long does it take for the object to reach the maximum height?

How fast must a 0.142-kg baseball move in order to have the same momentum as the bus?

What is resistance? Difference between resistance and resistivity.