The cheetah can reach atop speed of114kmh 71mih while, Ask an Expert

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The cheetah can reach atop speed of114km/h (71mi/h). While chasing its prey in a short sprint, a cheetah starts from rest and runs 50m in a straight line, reaching a final speed of 80km.

(a) Determine the cheetah's average acceleration during the short sprint.

(b) Find its displacement at t=3.2s (assume constant acceleration).

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