Curioustab

Home » Civil Engineering » Applied Mechanics

A marble ball is rolled on a smooth floor of a room to hit a wall. If the time taken by the ball in returning to the point of projection is twice the time taken in reaching the wall, the coefficient of restitution between the ball and the wall, is

0.25
0.50
0.75
1.0

Correct Answer: 0.50

← Previous Question Next Question→

More Questions from Applied Mechanics

The apparent weight of a man in a moving lift is less than his real weight when it is going down with
A body A of mass 6.6 kg which is lying on a horizontal platform 4.5 m from its edge is connected to the end of a light string whose other end is supporting a body of mass 3.2 kg as shown in below figure. If the friction between the platform and the body A is 1/3, the acceleration is
A number of forces acting simultaneously on a particle of a body
P is the force acting on a body whose mass is m and acceleration is f. The equation P - mf = 0, is known as
The necessary condition of equilibrium of a body, is :
Principle of Transmissibility of Forces states that, when a force acts upon a body, its effect is
If G is the Gauge of track, v is velocity of the moving vehicle, g is the acceleration due to gravity and r is the radius of a circular path, the required superelevation is
A 49 kg lady stands on a spring scale in an elevator. During the first 5 sec, starting from rest, the scale reads 69 kg. The velocity of the elevator will be
Two particles have been projected at angles 64° and 45° to the horizontal. If the velocity of projection of first is 10 m/sec, the velocity of projection of the other for equal horizontal ranges is
Time of flight of a projectile on a horizontal plane, is

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion