JEE Main & Advanced
JEE Main Paper (Held On 10 April 2015)
question_answer
If a body moving in a circular path maintains constant speed of \[\frac{3}{2}ma\], then which of the following correctly describes relation between acceleration and radius?
JEE Main Online Paper (Held On 10 April 2015)
A)
B)
C)
D)
Correct Answer:
B
Solution :
Speed \[v=10m/\sec \] \[a=\frac{{{v}^{2}}}{R}\] \[\left| {\vec{v}} \right|=\]constant so \[a\propto \frac{1}{R}\]