Question

7. A ball of mass 1.5kg is dropped from a tower
40m high.
I. What is its speed when it has covered 20m?
II. What is its speed when it hits the ground?
(a) 20 m/s, 20.12 m/s(b) 15 m/s, 2012 m/s
(c) 20 m/s, 30.12 m/s(d) 30 m/s, 50 m/s
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Answer 1

I think option (c) is correct