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

A. 0.5ms-2
B. 2.0ms-2
C. 10.0ms-2
D. 40.0ms-2

Correct Answer: Option B

B. 2.0ms-2

Explanation

Slope = a = \deltav\deltat

= 50−10/30−10

= 2.0ms-2