A body is thrown horizontally with the speed of 10 m/s from the top of the building of height 20 m, then the time it will take to reach the ground while neglecting air friction is?
[Take g=10 m/s^2]
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Answered by
0
Answer:
the formula for speed is distance÷time
10=20÷s
s=10×20
s=200
it will take 200 second to reach ground
Answered by
1
Answer:1 second
Explanation: v =0 , u=10 a=(-10)
By first equation of motion
v= u +at
0=10+(-10)t
-10=-10t
-10/-10=t
t= 1 s
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