Science, asked by Dhairypandya9171, 1 year ago

An object starting from rest travel 20 m in2sec and 160m in next 4sec. What will be velocity after 7sec from rest.

Answers

Answered by Shivanshi0344
4
when u will solve this u will come to know that the acceleration is constant in this question and that 10m/s² which means that the velocity increases every second by 10 m/s
as the body was initially at rest thus initial velocity is zero
after 10 seconds v = u + at 
                             v = 0 + 10 × 7 
                             ∴ v = 70m/s
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