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  • A solid sphere rolls down two different inclined planes of the same heights but different angles of inclination (c).

Q7.18     A solid sphere rolls down two different inclined planes of the same heights but
              different angles of inclination.

              (c) If so, which one and why?

Answers (1)

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The equation of motion gives :

                                             v\ =\ u\ +\ at

So                                            t \propto \frac{1}{a}

Since we know that   a_2 > a_1

So        t_2 < t_1

Hence the inclined plane having a smaller angle of inclination will take more time. 

Posted by

Devendra Khairwa

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