A car is moving in a circular horizontal track of radius 10 m with a constant speed of `10ms^(-1)`. A plumb bob is suspended from the roof of the car by a light rigid rod of length 1 m. The angle made by the rod with track is

Answer

`45^(@)`

Explanation

`tan theta = v^(2)//rg = 10^(2)//1 xx 10 = 1, theta = 45^(@)`