The two person of a body undergoing a uniformly accelerated motion are (10s, 10ms-1) and (30s, 50ms-1). On the velocity-time graph pf the body.

A.

0.5ms-2

B.

2.0ms-2

C.

10.0ms-2

D.

40.0ms-2

View answer & explanation

Correct answer is B

Slope = a = \(\frac{\deltav}{\deltat}\)

= \(\frac{50 - 10}{30 - 10}\)

= 2.0ms-2

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