Question #444e5

1 Answer
Nov 27, 2016

we know centripetal acceleration #a_c)# is given by

#a_c=v^2/r#
where v = velocity and r = radius of circular path .

If radius changes from #r_1 ->r_2" where " r_2>r_1#

then change in centripetal acceleration

#Deltaa_c=v^2(1/r_1^2-1/r_2^2)=150^2(1/500-1/1000)=22.5ms^-2#