Transcript Challenge Question

Challenge Question
Stopping the Truck
An empty 1000 kg truck moving at 5 m/s
takes 10 meters to stop when it slams on
the brakes. If the same truck moving at 5
m/s carries a 1000 kg load, how far does
it take to stop when it slams on the
brakes?
a) 5 meters (½ as far)
b) 10 meters (same distance)
c) 20 meters (twice as far)
Explain your answer.