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Q.

A trolley while going down an inclined plane has an acceleration of 2 cm/s². The velocity after 3 s is ____ m/s.


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Detailed Solution

A trolley while going down an inclined plane has an acceleration of 2 cm/s². The velocity after 3 s is 0.06 m/s.
The initial speed, u=0 m/s Acceleration, a=2 cm/s²
                          =0.02 m/s²
Time, t=3 s
From the first equation of motion,
     v=u+at
⇒v=0+0.02×3
⇒v=0.06 m/s
The final velocity of the trolley is 0.06 m/s.
 
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