The Student Room Group

How to do this?

Attachment not found

The answer is C
Is it just 3/2 times 1.2?
Original post by Homework2
Is it just 3/2 times 1.2?


Yeah.

The relevant circular motion formula in the datasheet is
Fcentripetal=mv2/r
which you can rearrange for r

Fcentripetal is proportional to charge (F=BQv) which is changing by x2
and m is of course the mass which is changing by x3
v is unchanged as stated in the question.
Original post by Joinedup
Yeah.

The relevant circular motion formula in the datasheet is
Fcentripetal=mv2/r
which you can rearrange for r

Fcentripetal is proportional to charge (F=BQv) which is changing by x2
and m is of course the mass which is changing by x3
v is unchanged as stated in the question.


Thank you for the explanation

Quick Reply

Latest