Asked by Mjay
A car starts from rest, accelerate at 2m/s , for 15sec , it then continues at a steady speed for further 25sec and decelerate to rest in 5ecs . Find
the time taken to cover *two-third* of the distance.
the time taken to cover *two-third* of the distance.
Answers
Answered by
bobpursley
plot velocity vs time. first 15 seconds, v will increase steadily, then constant, then down.
The area under the velocity-time curve is distance.
The area under the velocity-time curve is distance.
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