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Law of Conservation of Mechanical Energy

A body starts...

Question

A body starts from rest on a long inclined plane of slope $45^{o}$ . The coefficient of friction between the body and the plane varies as $μ = 0.3 x$ , where x is distance travelled down the plane. The body will have maximum speed
(for g = $10 m / s^{2}$ )when x =

A

9.8m

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B

27m

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C

12m

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D

3.33m

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Solution

The correct option is D 3.33m
Hence, option $(D)$ is correct answer.

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Similar questions

Q. A body starts from rest on a long inclined plane of slope

45^{o}

. The coefficient of friction between the body and the plane varies as

μ = 0.3 x

x

is the distance travelled down the plane. The body will have maximum speed (for

g = 10 m / s^{2}

x =

:

Q. A body is moving down a long inclined plane of slope

37^{o}

. The coefficient of friction between the body and plane varies as

μ = 0.3

x, where x is distance travelled down the plane. The body will have maximum speed

(s i n 37^{o} = \frac{3}{5}

g = 10 m / s^{2})

Q. A body is moving down a long inclined plane of slope

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. The coefficient of friction between the body and plane varies as

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is the distance travelled down the plane. The body will have maximum speed at x=?

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Q. A body is moving down an inclined plane of slope

37^{\circ}

. The coefficient of friction between the body and the plane varies as

μ = 0.3 x

x

is the distance travelled down the plane by the body. The value of

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