can somebody please answer this
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a. As we know,
v=0
u= 24.5m/s
then by using formula,
v = u - gt
0 = 24.5 - 10t
- 24.5 = - 10t
t = 24.5/10
t = 2.45
b.
by using formula,
h = ut - 1/2gt'2
h = 24.5 (2 .45) -5 ( 2.45)'2
h = 60 .02 - 30.01
h = 30 . 01 m
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