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1) Which car has greater acceleration?
A) Car A accelerates from 10m/s to 50m/s in 4 seconds
B) Car B accelerates from 30m/s to 70m/s in 4 seconds.

2) How far will a freely falling object fall when its speed is 10 m/s?

3) A car accelerates from rest at 10m/s2 for 6 seconds. What is the speed at t=6 seconds.