Bert & Ernie are running a race; when the starting pistol fires, Bert sprints forward with...

 

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Bert & Ernie are running a race; when the starting pistol fires, Bert sprints forward with a constant speed of 7 m.s; Ernie is still tying his shoes when the pistol fires and begins running 6 seconds after Bert and accelerates at a rate of 3 m/s2 for 4 seconds then continues running at a constant velocity. Determine at what time and displacement Ernie catches Bert. Bert & Ernie are running a race; when the starting pistol fires, Bert sprints forward with a constant speed of 7 m.s; Ernie is still tying his shoes when the pistol fires and begins running 6 seconds after Bert and accelerates at a rate of 3 m/s2 for 4 seconds then continues running at a constant velocity. Determine at what time and displacement Ernie catches Bert.

Answer rating: 100% (QA)

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