A hare and a tortoise compete in a race over a straight course 1.10 km long....

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Physics

A hare and a tortoise compete in a race over a straight course1.10 km long. The tortoise crawls at a speed of 0.150 m/s towardthe finish line. The hare runs at a speed of 7.15 m/s toward thefinish line for 0.880 km and then stops to tease the slow-movingtortoise as the tortoise eventually passes by. The hare waits for awhile after the tortoise passes and then runs toward the finishline again at 7.15 m/s. Both the hare and the tortoise cross thefinish line at the exact same instant. Assume both animals, whenmoving, move steadily at their respective speeds.
(a) How far is the tortoise from the finish line when the hareresumes the race? m
(b) For how long in time was the hare stationary? s

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4.2 Ratings (909 Votes)

Hint always convert the given data into SI units before solving Total distance covered by the tortoise 110 km 1100 metres speed of tortoise during the journey 150 ms There fore time taken by tortoise to complete the race Distancespeed 1100 150 733333 seconds See Answer

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