Problem 23 A certain car is capable of accelerating at a rate of 10.60m/s 2 . ho

Question

Problem 23
A certain car is capable of accelerating at a rate of 10.60m/s2. how long does it take for this car to go from aspeed of 55 mi/hr to a speed of 60 mi/hr? I converted mi/hr to m/s. Then used the equation v = at tosolve but did not get the answer at the back of the book. Problem 23
A certain car is capable of accelerating at a rate of 10.60m/s2. how long does it take for this car to go from aspeed of 55 mi/hr to a speed of 60 mi/hr? I converted mi/hr to m/s. Then used the equation v = at tosolve but did not get the answer at the back of the book.

Explanation / Answer

55mil/hr=24.44m/sec

60mil/hr=26.67m/sec

then the time taken to accelertate is26.67-24.44/10.60=0.21sec

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