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A ball is released from rest relative to the elevator at a distance h1 above the floor. The speed of the elevator at the time of ball release is v0. Determine the bounce height h2 relative to elevator of the ball (a) if v0 is constant and (b) if an upward elevator accleration a=g4 begins at the instant the ball is released. The coefficient of restitution for the impact is e = 2/3.
24
Sep
A ball is released from rest relative to the elevator at a distance h1 above the floor. The speed of the elevator at the time of ball release is v0. Determine the bounce height h2 relative to elevator of the ball (a) if v0 is constant and (b) if an upward elevator accleration a=g4 begins [...]
A 5 kg sphere is connected to a fixed point O by an inexistensible string of length 5 m . The sphere is resting on a horizontal surface at a distnce 4 m from O. sphere is given a vertical velocity v0 and it moves freely till it reaches point p, when string becomes taut. Find the maximum allowable velocity v0 , if impulse of tension in string is not to exceed 6 N s.
24
Sep
A 5 kg sphere is connected to a fixed point O by an inexistensible string of length 5 m . The sphere is resting on a horizontal surface at a distnce 4 m from O. sphere is given a vertical velocity v0 and it moves freely till it reaches point p, when string becomes taut. [...]
The acceleration – velocity graph of a particle moving in a straight line is shown in Fig. A.6. Then the slope of the velocity – displacement graph
24
Sep
The acceleration – velocity graph of a particle moving in a straight line is shown in Fig. A.6. Then the slope of the velocity – displacement graph The acceleration - velocity graph of a particle moving in a straight line is shown in Fig. A.6. Then the slope of the velocity - displacement graph September [...]
Velocity versus displacement graph of a particle moving in a straight line is shown in Fig. A.5. The corresponding acceleration versus velocity graph will be
24
Sep
Velocity versus displacement graph of a particle moving in a straight line is shown in Fig. A.5. The corresponding acceleration versus velocity graph will be Velocity versus displacement graph of a particle moving in a straight line is shown in Fig. A.5. The corresponding acceleration versus velocity graph will be September 24, 2020 Category: Uncategorised [...]
Velocity versus displacement graph of a particle moving in a straight line as shown in Fig. A.4. The acceleration of the particle
24
Sep
Velocity versus displacement graph of a particle moving in a straight line as shown in Fig. A.4. The acceleration of the particle Velocity versus displacement graph of a particle moving in a straight line as shown in Fig. A.4. The acceleration of the particle September 24, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
Figure A.3 shows the velocity – displacement curve for an object moving along a straight line. At which of the points marked is the object speeding up?
24
Sep
Figure A.3 shows the velocity – displacement curve for an object moving along a straight line. At which of the points marked is the object speeding up? Figure A.3 shows the velocity - displacement curve for an object moving along a straight line. At which of the points marked is the object speeding up? September [...]
A particle is moving along a straight line whose velocity- displacement graph is shown in Fig. A.2. What is the acceleration when displacement is 3 m?
24
Sep
A particle is moving along a straight line whose velocity- displacement graph is shown in Fig. A.2. What is the acceleration when displacement is 3 m? A particle is moving along a straight line whose velocity- displacement graph is shown in Fig. A.2. What is the acceleration when displacement is 3 m? September 24, 2020 [...]
A stream of glass beads, each with a mass of 15 gram, comes out of a horizontal tube at a rate of 100 per second. The beads fals a distance of 5m to a balance pan and bounce back to their original height. How much mass (in kg) must be placed in the other pan of the balance to keep in pointer at zero?
24
Sep
A stream of glass beads, each with a mass of 15 gram, comes out of a horizontal tube at a rate of 100 per second. The beads fals a distance of 5m to a balance pan and bounce back to their original height. How much mass (in kg) must be placed in the other pan [...]
The acceleration of a particle starting from rest and travelling along a straight line is shown in Fig. A.1. The maximum speed of the particle is
24
Sep
The acceleration of a particle starting from rest and travelling along a straight line is shown in Fig. A.1. The maximum speed of the particle is The acceleration of a particle starting from rest and travelling along a straight line is shown in Fig. A.1. The maximum speed of the particle is September 24, 2020 [...]
A small ball thrown at an initial velocity u directed at an angle theta equals to 37 degree above the horizontal velocity U by v towards ball after collision with the wall the ball return to the point from where it was thrown neglect friction between ball and wall that time to from beginning of motion of the world till the moment of its impact with the wall is 1
24
Sep
A small ball thrown at an initial velocity u directed at an angle theta equals to 37 degree above the horizontal velocity U by v towards ball after collision with the wall the ball return to the point from where it was thrown neglect friction between ball and wall that time to from beginning of [...]