While driving around a curve of 200 m radius the driver noted that pendulum in the car hangs at an angle of $15^{0}$ to the vertical. The speedometer of the car reads $(in\ ms^{- 1})$

Question

Dr. Abubacker · Accepted Answer

(b) $\frac{mv^{2}}{r} = mg\sin	heta\ \ or\ \ v = \sqrt{gr\sin	heta}$
$= \sqrt{10 	imes 200 	imes \sin{15{^\circ}}} = 23\ ms^{- 1}$

Q. While driving around a curve of 200 m radius the driver noted that pendulum in the car hangs at an angle of $15^{0}$ to the vertical. The speedometer of the car reads $(in\ ms^{- 1})$

Explanation

Reviewed by Dr. Abubacker

Want more practice?