Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
On the pole of the Earth a body is imparted velocity v 0 directed vertically up. Knowing the radius of the Earth and the free-fall acceleration on its surface, the height to which the body will ascend is given as h= xgR−v 0 2 Rv 0 2 . The air drag is to be neglected. Find x.
27
Aug
On the pole of the Earth a body is imparted velocity v 0 directed vertically up. Knowing the radius of the Earth and the free-fall acceleration on its surface, the height to which the body will ascend is given as h= xgR−v 0 2 Rv 0 2 . The air drag [...]
A swimmer capable of swimming with velocity v relative to water jumps in a flowing friver having velocity u. The man swims a distance d down stream and returns back to the priginal position. Find out the time taken in complete motion.
27
Aug
A swimmer capable of swimming with velocity v relative to water jumps in a flowing friver having velocity u. The man swims a distance d down stream and returns back to the priginal position. Find out the time taken in complete motion. car 2 starts accelerating with a 2 . If v 1 [...]
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car 2 starts accelerating with a 2 . If v 1 >v 2 . Find the minimum initial separation between the cars to avoid collision between them. ,
on a straight road in same direction. When the cars are separated by a distance d ,
the driver of car 1 applies brakes and the car moves with uniform retardation a 1 . Simultaneously ,
Two cars 1 and 2 move with velocities v 1 and v 2 respectively ,
A spaceship approaches the Moon (mass =M and radius =R) along a parabolic path which is almost tangential to its surface. At the moment of the maximum approach, the brake rocket is fired to convert the spaceship into a satellite of the Moon. The change in speed is
27
Aug
A spaceship approaches the Moon (mass =M and radius =R) along a parabolic path which is almost tangential to its surface. At the moment of the maximum approach, the brake rocket is fired to convert the spaceship into a satellite of the Moon. The change in speed is A spaceship approaches the Moon (mass =M [...]
Two cars 1 and 2 move with velocities v 1 and v 2 respectively, on a straight road in same direction. When the cars are separated by a distance d, the driver of car 1 applies brakes and the car moves with uniform retardation a 1 . Simultaneously, car 2 starts accelerating with a 2 . If v 1 >v 2 . Find the minimum initial separation between the cars to avoid collision between them.
27
Aug
Two cars 1 and 2 move with velocities v 1 and v 2 respectively, on a straight road in same direction. When the cars are separated by a distance d, the driver of car 1 applies brakes and the car moves with uniform retardation a 1 . Simultaneously, car 2 starts accelerating [...]
Tags:
car 2 starts accelerating with a 2 . If v 1 >v 2 . Find the minimum initial separation between the cars to avoid collision between them. ,
on a straight road in same direction. When the cars are separated by a distance d ,
the driver of car 1 applies brakes and the car moves with uniform retardation a 1 . Simultaneously ,
Two cars 1 and 2 move with velocities v 1 and v 2 respectively ,
A cosmic body A moves to the Sun with velocity v 0 (when far from the Sun) and aiming parameter l the arm of the vector v 0 relative to the centre of the Sun (figure shown above). Find the minimum distance by which this body will get to the Sun.
27
Aug
A cosmic body A moves to the Sun with velocity v 0 (when far from the Sun) and aiming parameter l the arm of the vector v 0 relative to the centre of the Sun (figure shown above). Find the minimum distance by which this body will get to the Sun. A [...]
An elevator is moving with an upward acceleration a. A coin is dropped from rest from the roof of the elevator. After what time the coin will strike the base of the elevator?
27
Aug
An elevator is moving with an upward acceleration a. A coin is dropped from rest from the roof of the elevator. After what time the coin will strike the base of the elevator? An elevator is moving with an upward acceleration a. A coin is dropped from rest from the roof of the elevator. After [...]
A satellite of mass m is orbiting the earth in a circular orbit of radius r. It starts losing energy due to small air resistance at the rate of C J/s. Then the time taken for the satellite to reach the earth is
27
Aug
A satellite of mass m is orbiting the earth in a circular orbit of radius r. It starts losing energy due to small air resistance at the rate of C J/s. Then the time taken for the satellite to reach the earth is A satellite revolving in a circular equatorial orbit of radius R=2.0×10 4 [...]
A ball is thrown downwards with a speed of 20 m s^(-1), from the top of a buling 150 m high and simultane-ously another ball is throun vertically upwrds wuth a speed of 30 m s^(-1) from the foot ot the building . Find the time after wguch both the balls will meet. (g=10 m s^(-2))
27
Aug
A ball is thrown downwards with a speed of 20 m s^(-1), from the top of a buling 150 m high and simultane-ously another ball is throun vertically upwrds wuth a speed of 30 m s^(-1) from the foot ot the building . Find the time after wguch both the balls will meet. (g=10 m [...]
An artificial satellite (mass m) of a planet (mass M) revolves in a circular orbit whose radius is n times the radius R of the planet in the process of motion the satellite experiences a slight resistance due to cosmic dust. Assuming the force of resistance on satellite to depend on velocity as F=av2 where ‘a’ is a constant caculate how long the satellite will stay in the space before it falls on to the planet’s surface.
27
Aug
An artificial satellite (mass m) of a planet (mass M) revolves in a circular orbit whose radius is n times the radius R of the planet in the process of motion the satellite experiences a slight resistance due to cosmic dust. Assuming the force of resistance on satellite to depend on velocity as F=av2 where [...]
Two particles A and B are thown vertically upward with velocity, vertically upward with velocity, 5 m s^(-1) and 10 m s^(-1) respectively (g=10 m s^(-2)), Find separation between them after 1 s.
27
Aug
Two particles A and B are thown vertically upward with velocity, vertically upward with velocity, 5 m s^(-1) and 10 m s^(-1) respectively (g=10 m s^(-2)), Find separation between them after 1 s. 5 m s^(-1) and 10 m s^(-1) respectively (g=10 m s^(-2)) Find separation between them after 1 s. Two particles A and [...]