At highway speeds, a particular automobile is capable of an acceleration of about 1.6 m/s2. At...

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At highway speeds, a particular automobile is capable of an acceleration of about 1.6 m/s2. At...

At highway speeds, a particular automobile is capable of an acceleration of about 1.6 m/s2. At this rate, how long does it take to accelerate from 83 km/h to 108 km/h?

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Answer 1

Answer #1

83km/hr = 83 * 5/18 m/s = 23.05 m/s
108 km/hr = 108*5/18 m/s = 30.0 m/s
v = u +at
v- u/a = t = 30.0-23.05/1.6 = 4.34s

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Answer 2

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