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on a rollr coaster , a car of mass 250 kg initially at rest at the top is sliding down a smooth inclined plane shown in the figure. the velocity of the car when it reaches the horizontal portion of the slide is what.

on a rollr coaster , a car of mass 250 kg initially at rest at the top is sliding down a smooth inclined plane shown in the figure. the velocity of the car when it reaches the horizontal portion of the slide is what.

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Grade:9

1 Answers

Adarsh
768 Points
3 years ago
Dear Sudarshan,
it is given that the inclined plane is smooth so we can conserve energy in this .
so, m.g.10 = ½.m.v2
=> v= √20.g        take g = 10m/s2
=> v = 10√2m/s
Thanks and Regards 
Adarsh

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