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

Applied Mechanics and Graphic Statics
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

0.75

1.0

0.50

0.25

0.75

1.0

0.50

0.25

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Applied Mechanics and Graphic Statics
Instantaneous center is at infinity when the angular velocity is

Zero

Minimum

Constant

Maximum

Zero

Minimum

Constant

Maximum

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Applied Mechanics and Graphic Statics
A stone was thrown vertically upwards from the ground with a velocity of 50 m/sec. After 5 seconds another stone was thrown vertically upwards from the same place. If both the stones strike the ground at the same time, then the velocity with which the second stone was thrown should be (Assume g = 10 m/sec²)

50 m/sec

25 m/sec

15 m/sec

40 m/sec

50 m/sec

25 m/sec

15 m/sec

40 m/sec

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Applied Mechanics and Graphic Statics
The total kinetic energy of a hoop of mass 2 kg and radius 4 m sliding with linear velocity 8 m/sec and angular velocity 5 radian/sec is

64 J

464 J

89 J

400 J

64 J

464 J

89 J

400 J

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Applied Mechanics and Graphic Statics
The angles between two forces to make their resultant a minimum and a maximum respectively are

0° and 90°

90° and 180°

180° and 0°

180° and 90°

0° and 90°

90° and 180°

180° and 0°

180° and 90°

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Applied Mechanics and Graphic Statics
Time period and length of a second’s pendulum respectively are

2 sec and 92.7 cm

2 sec and 99.4 cm

1 sec and 92.7 cm

1 sec and 99.4 cm

2 sec and 92.7 cm

2 sec and 99.4 cm

1 sec and 92.7 cm

1 sec and 99.4 cm

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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics 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

Applied Mechanics and Graphic Statics Instantaneous center is at infinity when the angular velocity is

Applied Mechanics and Graphic Statics The total kinetic energy of a hoop of mass 2 kg and radius 4 m sliding with linear velocity 8 m/sec and angular velocity 5 radian/sec is

Applied Mechanics and Graphic Statics The angles between two forces to make their resultant a minimum and a maximum respectively are

Applied Mechanics and Graphic Statics Time period and length of a second’s pendulum respectively are

Applied Mechanics and Graphic Statics
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

Applied Mechanics and Graphic Statics
Instantaneous center is at infinity when the angular velocity is

Applied Mechanics and Graphic Statics
The total kinetic energy of a hoop of mass 2 kg and radius 4 m sliding with linear velocity 8 m/sec and angular velocity 5 radian/sec is

Applied Mechanics and Graphic Statics
The angles between two forces to make their resultant a minimum and a maximum respectively are

Applied Mechanics and Graphic Statics
Time period and length of a second’s pendulum respectively are