Author Question: A miniature spring-loaded, radio-controlled gun is mounted on an air puck. The gun's bullet has a ... (Read 81 times)

RYAN BANYAN · **on:** Jul 28, 2018

A miniature spring-loaded, radio-controlled gun is mounted on an air puck. The gun's bullet has a mass of 5.00 g, and the gun and puck have a combined mass of 130 g. With the system initially at rest, the radio controlled trigger releases the bullet causing the puck and empty gun to move with a speed of 0.500 m/s. What is the bullet's speed?
a. 4.80 m/s
c. 48.0 m/s
b. 13.0 m/s
d. 12.5 m/s

Question 2

A free electron is in an electric field. With respect to the field, it experiences a force acting:
a. perpendicular.
c. parallel.
b. along a constant potential line.
d. anti-parallel (opposite in direction).