What type of energy is stored in a stretched spring!? A. kinetic energy
B. rest mass energy
C. elastic potential energy
D. chemical potential energy
E. gravitational potential energy

Amodel rocket with a mass of 0.212 kg is launched into the air with an initial speed of 84 m/s. how much kinetic energy will the rocket have at a height of 214 m? assume there is no wind resistance. 634 j 303 j

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples