An object has a kinetic energy of 50 J and a velocity of 5 m/s, what is the mass of the
object?

A. 4 kg

B. 55 kg

С. 10 kg

D. 1 kg

Look at the potential energy diagram for a chemical reaction. which statement correctly describes the energy changes that occur in the forward reaction?

As a car drives with its tires rolling freely without any slippage, the type of friction acting between the tires and the road is 100) a) static friction. b) kinetic friction. c) a combination of static and kinetic friction. d) neither static nor kinetic friction, but some other type of friction. e) it is impossible to tell what type of friction acts in this situation.

Astate of matter all that has define volume and can flow is a(n)