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A body is projected vertically up with a speed of 20 m/s .The distance travelled by it is 3 second is

A body is projected vertically up with a speed of 20 m/s .The distance travelled by it is 3 second  is

Grade:12

1 Answers

Himanshu Rathour
119 Points
5 years ago
When body is peojected vertically upwards then acceleration acting on the body is
g=9.8m/s(vertically downwards) 
Now by Newton's second law of motion
S=ut+1/2at²
t=3s
S=20*3-1/2(9.8)(9)
=15.9m
 
 

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