Question

(1) 20 J
(2) 40 J
(4) 10 J
(3) 30
A ring is rolling without slipping. If its translational energy is 20 J, then its total kinetic energy will be​

Answer 1

Answer:

TE=

2

1

mv

2

+

2

1

I

cm

w

2

⇒TE=

2

1

mv

2

+

2

1

×mR

2

×

R

2

v

2

E+E

TE=2E

Hence,

option (B) is correct answer.

Step-by-step explanation:

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