Author Question: When a proton moves in a direction of the electric field, its potential increases but its potential ... (Read 78 times)

jlmhmf · **on:** Jul 29, 2018

When a proton moves in a direction of the electric field, its potential increases but its potential energy decreases.

Indicate whether the statement is true or false

Question 2

A torque of 12 N m is applied to a solid, uniform disk of radius 0.50 m, causing the disk to accelerate at 5.7 rad/s2. What is the mass of the disk?

A) 17 kg
B) 13 kg
C) 8.5 kg
D) 4.3 kg