51.34
Which refers to the amount of heat required to change the temperature of 1 gram of a substance by 1"C and is related to
the chemical composition of the substance?
Thermal energy
Specific heat
Activation heat
Boiling point

A1,700kg car is being used to give a 1,400kg car a push start by exerting a force of 140n the impulse on the smaller car during the 30.0s of contact is +670kg*m/s. what is the impulse of the smaller car on the larger car? -814 kg*m/s 0kg *m/s -670kg*m/s -550kg*m/s

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?