Physics
WAEC 2016
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
Correct Answer: Option B
Explanation
Slope = a = \(\frac{\deltav}{\deltat}\)
= \(\frac{50 - 10}{30 - 10}\)
= 2.0ms-2
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