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the body starting from rest and travelling with uniform acceleretion covers 15m during the third second during 5 th second how much distance will it cover

the body starting from rest and travelling with uniform acceleretion covers 15m  during the third second during 5th second how much distance will it cover
 

Grade:9

1 Answers

Vikas TU
14149 Points
6 years ago
Dear Student,
Given that initial velocity is:
u=0, uniform acceleration=a
S=ut+at2/2
=>15=2a+a/2 (Since t=1, for the nth second and u should be the velocity after 2 seconds since we are equating it with the distance travelled in the third second)
=>a=6m/s2

Velocity after 4s = u+at
=0+4a=4a
Distance covered in 5th second=S= ut+at2/2
=>S=4a+a/2
=>S=27m
Cheers!!
Regards,
Vikas (B. Tech. 4th year
Thapar University)

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