If i threw a ball down it is going down at the speed of 20m/s² ,if i threw that ball from 28 km high , how much time will it take for the ball to touch the ground?
Answers
Answered by
0
Answer:
Given : u=20 m/s θ=30
o
g=10 m/s
2
We get sinθ=sin30
o
=
2
1
Maximum height reached H=
2g
u
2
sin
2
θ
=
20
20×20×(
2
1
)
2
=5m
Similar questions