Two objects are gravitationally attracted to each other. What happens to their gravitational force if the mass of each is quadrupled and they are kept at the same distance apart? a
8 times as much
b
1/8 as much
c
1/16 as much
d
4 times as much
e
16 times as much
f
1/4 as much

Adiver in midair has an angular velocity of 6.0 rad/s and a moment of inertia of 1.2 kg·m2. he then pulls is arms and legs into a tuck position and his angular velocity increases to 12 rad/s. the net external torque acting on the diver is zero. what is his moment of inertia in the tuck position?

Petroleum contains energy. a. light b. kinetic c. chemical d. mechanical

The inverse square law applies to: intensity of sound gravitational force intensity of light electric force magnetic force