Question

The velocity-displacement for a jet plane on a straight runway is shown in. Determine the speed and acceleration of the jet plane at $$s=150m$$

A
3m/s2
B
5m/s2
C
9m/s2
D
43m/s2

Solution

The correct option is B $$5m/s^2$$The velocity -displacement for a jet plane on a straiht run way is shownNow, determination of speed of acceleration of jet plane at $$s=150m$$$$a=\cfrac{\Delta V}{\Delta t}$$From the fraph it is clear that,$$a=\cfrac{250-200}{60-50}\\ \quad=\cfrac{50}{10}=5m/s^2$$Physics

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