(a) A light-rail commuter train accelerates at a rate of 1.35 m/s2. How long does it take to reach its top speed of 80.0 km/h, starting from rest?
(b) The same train ordinarily decelerates at a rate of 1.65 m/s2. How long does it take to come to a stop from its top speed?
(c) In emergencies the train can decelerate more rapidly, coming to rest from 80.0 km/h in 8.30 s. What is its emergency deceleration in m/s2?
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Our tutors have indicated that to solve this problem you will need to apply the Intro to Acceleration concept. You can view video lessons to learn Intro to Acceleration. Or if you need more Intro to Acceleration practice, you can also practice Intro to Acceleration practice problems.