A car starts from rest with constant acceleration of 2 m/s2. After 5 s, a ball is dropped through window of car. The window of the car is at a height of 1.5m from the ground. What will be the speed of ball 0.5 s after it was dropped ?
a) 5 m/s
b) (5)1/2 m/s
c) 5(5)1/2 m/s
d) 2 m/s

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