A car starts from rest and attains a velocity of 40 metres per second in 20 seconds. it maintains this velocity for 30 seconds and then comes to rest in 25 seconds.

Question

1. sketch the velocity time graph for the motion.
2. Calculate the acceleration of the body.
3. Calculate the total distance covered by the body.

Please show working.

Answer 1

http://www.jiskha.com/display.cgi?id=1478031138

Answer 2

TIME GRAPH

Answer 3

Show workings