मराठी

A body is moving along a circular track of radius 100 m with velocity 20 m/s. Its tangential acceleration is 3m/s2 then its resultant accelaration will be ______. -

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प्रश्न

A body is moving along a circular track of radius 100 m with velocity 20 m/s. Its tangential acceleration is 3 m/s2 then its resultant accelaration will be ______.

पर्याय

  • 5 m/s2

  • 3 m/s2

  • 4 m/s2

  • 2 m/s2

MCQ
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उत्तर

A body is moving along a circular track of radius 100 m with velocity 20 m/s. Its tangential acceleration is 3m/s2 then its resultant accelaration will be 5 m/s2.

Explanation:

Tangential acceleration at = m/s2

radial acceleration ar = `"V"^2/"r" = (20)^2/100` = 4 m/s2

Total acceleration = `sqrt("a"_"r"^2 + "a"_"C"^2)`

`= sqrt((4)^2 + (3)^2)` = 5 m/s2

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