Grade Upto college level Engineering Entrance Exams
A car is moving in horizontal circular track of radius 10 m, with a constant speed of 36 km/hour. A simple pendulum is suspended from the roof of the car. If the length of the simple pendulum is 1 m, what is the angle made by the string with the track?
(a) 30°
(b) 45°
(c) 60°
(d) 90°