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A boy is movi...

Question

A boy is moving on a straight road against a frictional force of $5 N$ . After travelling a distance of $1.5 k m$ he forgot the correct path at a round circle of radius $100 m$ . However, he moves on the circular path for one and half cycle and then he moves forward up to $2.0$ km. Calculate the work done by him.

A

0 J

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B

22200 J

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C

18500 J

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D

25800 J

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Similar questions

Q. A boy is moving on a straight road against a frictional force of

5 N

. After travelling a distance of

1.5 k m

, he forgets the correct path at a round about (see fig.) of radius

100 m

. However, he moves on the circular path for one and half cycle and then he moves forward upto

2.0 k m

. Calculate the work done by him

(π = 3.14)

Q. A boy is moving on a straight road against a frictional force of

5 N

. After travelling a distance of

1.5 k m

, he forgets the correct path at a round about (see fig.) of radius 100 m. However, he moves on the circular path for one and a half cycle and then he moves forward up to

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. Calculate the work done by friction

(π = 3.14)

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Q. What is the work done by centripetal force in moving a body through half cycle on circular path of radius

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