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Solve this

Asked by venkat 25th December 2017, 8:59 PM
Answered by Expert
Answer:
Finding time taken to fall from 45m 
s =ut + (1/2) g t2 
 
45 = ( 1/2 ) x 10 x t2  
90/10 = t2   
 
t = 3 sec
 
distance to cover to reach the point of impact = 12 m
 
speed = distance/time
 
speed = 12/3 = 4m/s
 
Answered by Expert 26th December 2017, 12:57 PM
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