What is the only force acting on an object orbiting earth?
a. air resistance
b. friction
c. inertia
d. gravity

An object is 10. cm from the mirror, its height is 3.0 cm, and the focal length is 2.0 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1.33 -1.33 +0.75 -0.75

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.

If the spring constant k of a pogo stick is 3500 n m and the weight of the person on the pogo stick is 700 n, how much is the spring in the botom of the pogo stick compressed?