Author Question: A disk and a hoop of the same mass and radius are released at the same time at the top of an ... (Read 52 times)

rachel9 · **on:** Jul 29, 2018

A disk and a hoop of the same mass and radius are released at the same time at the top of an inclined plane and roll without slipping. Which object reaches the bottom of the incline first?

A)

The hoop
B)

The disk
C)

Both reach the bottom at the same time.
D)

It depends on the angle of inclination.
E)

It depends on the length of the inclined surface.

Question 2

The process whereby heat flows by means of molecular collisions is referred to as

A)

conduction.

B)

convection.

C)

radiation.

D)

inversion.

E)

evaporation.