A vehicle is moving with variable acceleration and its motion is given by the
equation s= 25t +4t2
-6t3
, where‘s’ is in m and‘t’ is in seconds. Determine (i) the
velocity and acceleration at start (ii) the time, when the vehicle reaches its
maximum velocity (iii) the max velocity of the vehicle.
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Answer:
1. 5/hr 2. 10/hr 3. 30/hr
Explanation:
velocity= speed / time
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