Richard throws a stone over a bridge into the river below. The stone's
1 answer:
Answer:
a.) In 1 second stone reach its maximum height
b.) 45 m
Step-by-step explanation:
v=
2
u
=u−gt
=u−
2
3
g
t=1.5s
u=30m/s
h=
2g
u
2
h=
2×10
30×30
=45m
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Step-by-step explanation:
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