Question

Q.30. A body is moving along, a circular path with a constant
speed. It has centripetal acceleration (a). If its speed
is doubled, the ratio of it's acceleration after and before
the change
is given by.​

Answer 1

a

1

=

R

v

1

2

a

2

=

R

(2v

1

)

2

=

R

4v

1

2

∴

a

2

a

1

=

4

1

⇒

a

1

a

2

=4:1

Hence,

optionCiscorrectanswer.

Answer 2

Answer:

a body is moving along a circular path with constant speed it as if its speed