Part 1
Let IA and IB be moments of inertia of a body about two axes A and B respectively. The axis A passes through the centre of mass of the body but B does not
23
Oct
Let IA and IB be moments of inertia of a body about two axes A and B respectively. The axis A passes through the centre of mass of the body but B does not Let IA and IB be moments of inertia of a body about two axes A and B respectively. The axis A [...]
The rate of mass of the gas emitted from the rear of a rocket is initially 0.1kg/s. If the speed of the gas relative to the rocket is 50m/s and the mass of the rocket is 2kg , then the acceleration of the rocket in m/s^2 is
23
Oct
The rate of mass of the gas emitted from the rear of a rocket is initially 0.1kg/s. If the speed of the gas relative to the rocket is 50m/s and the mass of the rocket is 2kg , then the acceleration of the rocket in m/s^2 is The rate of mass of the gas emitted [...]
A block of mass m is pushed towards the movable wedge of mass M and height h, with a velocity v0. All surfaces are smooth . The minimum value of v0 for which the block will reach the top of the wedge is
23
Oct
A block of mass m is pushed towards the movable wedge of mass M and height h, with a velocity v0. All surfaces are smooth . The minimum value of v0 for which the block will reach the top of the wedge is A block of mass m is pushed towards the movable wedge of [...]
A particle of mass m, initially at rest is acted upon by a variable force F for a brief interval of time T. It begins to move with a velocity u after the force stops acting. F is shown in the graph as a function of time. The curve is a semicircle.
23
Oct
A particle of mass m, initially at rest is acted upon by a variable force F for a brief interval of time T. It begins to move with a velocity u after the force stops acting. F is shown in the graph as a function of time. The curve is a semicircle. A force - [...]
A particle of mass 2 kg is initially at rest. A fore acts on it whose magnitude changes with time. The force – time graph is shown below. The velocity of the particle after 10s is
22
Oct
A particle of mass 2 kg is initially at rest. A fore acts on it whose magnitude changes with time. The force – time graph is shown below. The velocity of the particle after 10s is A particle of mass 2 kg is initially at rest. A fore acts on it whose magnitude changes with [...]
A force – time graph for a linear motion is shown in the figure where the segments are circular. The linear momentum gained between zero and 8s is
22
Oct
A force – time graph for a linear motion is shown in the figure where the segments are circular. The linear momentum gained between zero and 8s is A force - time graph for a linear motion is shown in the figure where the segments are circular. The linear momentum gained between zero and 8s [...]
In the figure given below, the position-time graph of a particle of mass 0.1kg is shown. The impulse at t=2 sec is
22
Oct
In the figure given below, the position-time graph of a particle of mass 0.1kg is shown. The impulse at t=2 sec is In the figure given below the position-time graph of a particle of mass 0.1kg is shown. The impulse at t=2 sec is October 22, 2020 Category: Cengage NEET by C.P Singh , Chapter [...]
If two balls each of mass 0.06kg moving in opposite directions with speed 4m/s collide and rebound with the same speed , then the impulse imparted to each ball due to other is
22
Oct
If two balls each of mass 0.06kg moving in opposite directions with speed 4m/s collide and rebound with the same speed , then the impulse imparted to each ball due to other is If two balls each of mass 0.06kg moving in opposite directions with speed 4m/s collide and rebound with the same speed then [...]
A disc of mass 10g is kept floating horizontally by throwing 10marbles/second against it from below. If the mass of each marble is 5g , the velocity with which marbles are striking the disc (the marbles strike the disc normally and rebound downward with the same speed)
22
Oct
A disc of mass 10g is kept floating horizontally by throwing 10marbles/second against it from below. If the mass of each marble is 5g , the velocity with which marbles are striking the disc (the marbles strike the disc normally and rebound downward with the same speed) A disc of mass 10g is kept floating [...]
n balls each of mass m impinge elastically each second on a surface with velocity u. The force experienced by the surface will be
22
Oct
n balls each of mass m impinge elastically each second on a surface with velocity u. The force experienced by the surface will be n balls each of mass m impinge elastically each second on a surface with velocity u. The force experienced by the surface will be October 22, 2020 Category: Cengage NEET by [...]