An object slows down because of a friction force of 8N.  If it moves 3m during the time that the force is applied, the change in kinetic energy is 

An object has a weight of 500 on earth what is the mass of this object

Asap i'm in class rn a 1,000-kg car is traveling 20 m/s on a flat stretch of road. it gets to a hill and coasts uphill until it stops. how high up the hill does the car travel? givens: equation: 1/2mv2initial=mghfinal solve for h. plug & chug, label.

The heliocentric and the geocentric models of the solar system included these central principles