Ques. 12 (SMCQ)
Marks: +3,-1
The velocity - time graph of a particle moving along a straight line is shown in fig. The rate of acceleration
and deceleration is constant and it is equal to 10ms-2. If the average velocity during the motion is 40ms
1
.then
ms-
Time (s)
20
The value of t is
A
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what is the question i dont understande
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