1.

a body is rolling horizantally without slipping with speed v.it then roll up a hill up a hill to a maximum height h.if h=3v^2/4g what might the body be

Answer»

Answer:

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Explanation:

For rolling BODY, we have:

v=Rω

KE=

2

1

Mv

2

+

2

1

Iω

2

⇒KE=

2

1

Mv

2

(1+

MR

2

I

)

By conservation of energy, we have:

2

1

Mv

2

(1+

MR

2

I

)=MGH=

4

3

Mv

2

⇒I=

2

1

MR

2


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