Q1. A 747 airliner reaches its takeoff speed of 187 mi/h in 31.4s. What is the magnitude of its average acceleration?
Q2. A 2000 kg car is slowed down uniformly from 15.0 m/s to 7.00 m/s in 5.60 s.
(a) what average total force acted on the car throughout that time?
(b) How far did the car travel all through that time?