The speed time graph for a body moving along a straight line is shown in figure. The average acceleration of body may be
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The correct answer is (2) because at the first the object has retardation of -4m/s and then the object accelerates by 4 m/s you can calculate by using the formula .
And after accelerating 4m/s the object gets stopped. So, the correct answer is (2)
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answer 4
acorrding to graph ......
by finding area we got answer no 2 and it may be answer no 3 ...
but we also know final and initial velocity is same ....20 so by third equation of motion ...
v2 - u2 = 2as
0 - 0 = 2as
= 0
so answer is all of these
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