Two points on a velocity time-graph have coordinates (5s, 10ms-1) and (20s, 20ms-1). Calculate the mean acceleration between the two points

A.

0.67ms-1

B.

0.83ms-1

C.

1.50ms-1

D.

2.00ms-1

View answer & explanation

Correct answer is A

a = \(\frac{v - u}{\Delta t}\)

a = \(\frac{20 - 10}{20 - 5}\)

a = 0.67ms-1

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