Author Question: A thrown stone hits a window but doesn't break it. Instead, it reverses direction and ends up on the ... (Read 140 times)

khang · **on:** Jul 28, 2018

A thrown stone hits a window but doesn't break it. Instead, it reverses direction and ends up on the ground below the window. In this case, we know:
a. the force of the stone on the glass > the force of the glass on the stone.
b. the force of the stone on the glass = the force of the glass on the stone.
c. the force of the stone on the glass < the force of the glass on the stone.
d. the stone didn't slow down as it hit the glass.

Question 2

An airplane of mass 1.2 104 kg tows a glider of mass 0.6 104 kg. The airplane propellers provide a net forward thrust of 5.4 104 N. What is the glider's acceleration?
a. 2.0 m/s2
c. 6.0 m/s2
b. 3.0 m/s2
d. 9.8 m/s2