The position of an object moving along x-axis is given by x = a + bt2 where a = 8.5 m, b = 2.5 ms–2 and t is measured in seconds. Then which of the following is true ?
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a
Velocity at t=2 sec is zero
b
average velocity between t = 2, t = 4 sec is 15 m/s.
The position of an object moving along x-axis is given by x = a + bt2 where a = 8.5 m, b = 2.5 ms–2 and t is measured in seconds. Then which of the following is true ?