A ball of mass 0.8 kg is dropped from a height, H. Just before hitting the ground, its velocity is 5.0 m/s. Determine H.
[g = 10 ms-2]
a
1.25m
b
4.00m
c
6.25m
d
1.60m
Explanation
Correct Option
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BigSam300
2 years ago
You can also approach like this:
½mv²=mgh
½v²=gh
h=v²/2g
h=5²/2×10
h=25/20
h=1.25m
