Car P takes 2 seconds to reach 100 km/h , whereas car Q takes 2.2 seconds for the same. Both the cars start from rest. Which car accelerated more?
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Answer:
Car P accelerated more
Explanation:
We know a=∆v/∆t ( acceleration= change in velocity/time taken)
As in the above both cases, ∆v is same (100) .
Taking v constant in the above formula, it becomes
a∝ 1/t. which means less time and more acceleration.
So car P takes less time and hence has more acceleration.
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