UPSC CDS 2 2021 GK Paper

Acceleration is the rate of change of the velocity of an object with respect to time. Accelerations are vector quantities.
Change in velocity = (final velocity − initial velocity) v−v0=20−0=20km∕h
Time (t)=10min=10∕60h
Now, Acceleration ‌‌=‌

‌ Change in velocity ‌

‌ time ‌

‌‌=‌

20

10 60

=120km∕h2