Question
A bus starting from rest moves with a uniform acceleration of 0.1 ms−2 for 2 minutes. Find its speed after 2 minutes.
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Solution
The correct option is B 12
Given
Initial speed of bus u=0ms−1
Final speed of bus, v=?
a=0.1ms−2,t=2min=120s,s=?
We know, a=(v−u)/tor, v=u+at
or v=0+0.1×120=12 ms−1
Given
Initial speed of bus u=0ms−1
Final speed of bus, v=?
a=0.1ms−2,t=2min=120s,s=?
We know, a=(v−u)/t
or, v=u+at
or v=0+0.1×120=12 ms−1
or v=0+0.1×120=12 ms−1
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