Author Question: A 2500-kg truck moving at 10.00 m/s strikes a car waiting at a traffic light, hooking bumpers. The ... (Read 145 times)

leilurhhh · **on:** Jul 28, 2018

A 2500-kg truck moving at 10.00 m/s strikes a car waiting at a traffic light, hooking bumpers. The two continue to move together at 6.00 m/s. What was the mass of the struck car?
a. 1730 kg
c. 1200 kg
b. 1670 kg
d. 1070 kg

Question 2

If body M, with a positive charge, is used to charge body N by induction, what will be the nature of the charge left on the latter?
a. must be positive
b. must be equal in magnitude to that on M
c. must be negative
d. must be greater in magnitude than that on M