A particle moves along a circle of radius R with constant tangential acceleration. If the velocity of the particle is V at the end of second revolution from the start, then the tangential acceleration is

Question:

23.A particle moves along a circle of radius R with constant tangential acceleration. If the velocity of the particle is V at the end of second revolution from the start, then the tangential acceleration is

Options :

a) v^2/4πr
b) v^2/8πr
c) v^2/12πr
d) v^2/2πr

Answer :

b) v^2/8πr

Answer Steps :

Solution :-

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If current in an electric bulb changes by 1%, then the power will change by (a) 1%(b) 2%1000 OF(c) 4% anda darse(d) =%2

Two bulbs X and Y having same voltage rating and of power 40 watt and 60 watt respectively are connected in series across a potential difference of 300 volt, then

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