Question

Object covers 20m in first 4 sec 30m in next 4 sec. if it moves under the constant acceleration.Calculate the initial velocity of the particle and acceleration.​

Answer 1

Answer:

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Answer 2

20=v2+1/2a4

20=2v+2a

10=v+a

48=v6+1/2a36

8=v+3a

Hence a=-1

And v=11

11*10–1/2*1*100

=60

=60–48

=12 m