Author Question: You are originally 1.0 m beneath the surface of a pool. If you dive to 2.0 m beneath the surface, ... (Read 67 times)

geoffrey · **on:** Jul 29, 2018

You are originally 1.0 m beneath the surface of a pool. If you dive to 2.0 m beneath the surface, what happens to the absolute pressure on you?

A)

It quadruples.
B)

It more than doubles.
C)

It doubles.
D)

It less than doubles.
E)

It does not change.

Question 2

A mass of 100 g is attached to one end of a massless rod, 10 cm in length, which is pivoted about the opposite end. The rod is held vertical, with the mass at the top, and released. The rod swings.

What is the speed of the mass at the instant that the rod is horizontal? A)

0.71 m/s

B)

4.0 m/s

C)

2.0 m/s

D)

1.4 m/s

E)

2.8 m/s