Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A car is moving in a circular horizontal track of radius 10 m with a constant speed of 10 m/s. A plumb bob is suspended form the roof of the car by a light rigid rod. The angle made
02
Oct
A car is moving in a circular horizontal track of radius 10 m with a constant speed of 10 m/s. A plumb bob is suspended form the roof of the car by a light rigid rod. The angle made A car is moving in a circular horizontal track of radius 10 m with a constant [...]
During the paddling of a bicycle, the force of friction exerted by the ground on the two wheels is such that it acts
02
Oct
During the paddling of a bicycle, the force of friction exerted by the ground on the two wheels is such that it acts During the paddling of a bicycle the force of friction exerted by the ground on the two wheels is such that it acts October 2, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
In the arrangement shown in Fig. 7.358, the ends P and Q of an unstretchable string move downwards with uniform speed U. Pulleys A and B are fixed mass M moves upwards with a speed
02
Oct
In the arrangement shown in Fig. 7.358, the ends P and Q of an unstretchable string move downwards with uniform speed U. Pulleys A and B are fixed mass M moves upwards with a speed In the arrangement shown in Fig. 7.358 the ends P and Q of an unstretchable string move downwards with uniform [...]
An artificial satellite is moving in a circular orbit around the earth with a speed equal to half the magnitudfe of the escape velocity from the earth.
02
Oct
An artificial satellite is moving in a circular orbit around the earth with a speed equal to half the magnitudfe of the escape velocity from the earth. An artificial satellite is moving in a circular orbit around the earth with a speed equal to half the magnitudfe of the escape velocity from the earth. October [...]
A block of mass 2 kg rests on a rough inclined plane making an angle of 30 with the horizontal. The coefficient of static friction between the block and the plane is 0.7 The frictional force
02
Oct
A block of mass 2 kg rests on a rough inclined plane making an angle of 30 with the horizontal. The coefficient of static friction between the block and the plane is 0.7 The frictional force A block of mass 2 kg rests on a rough inclined plane making an angle of 30 with the [...]
A geostationary satellite is orbiting the earth at a height of 6 R above the surface of the earth. R being the radius of the earth.The time period of another satellite in hours at a height 2.5 R form the surface of the earth is
02
Oct
A geostationary satellite is orbiting the earth at a height of 6 R above the surface of the earth. R being the radius of the earth.The time period of another satellite in hours at a height 2.5 R form the surface of the earth is Find the percentage cahnge in the acceleration due to gravity [...]
A spaceship is launched into a circular orbit close to earth’s surface. The additional velocity that should be imparted to the spaceship in the orbit to overcome the gravitational pull is: ( Radius of earth = 6400 km and g = 9.8 m/s )
02
Oct
A spaceship is launched into a circular orbit close to earth’s surface. The additional velocity that should be imparted to the spaceship in the orbit to overcome the gravitational pull is: ( Radius of earth = 6400 km and g = 9.8 m/s ) Find the percentage cahnge in the acceleration due to gravity when [...]
A satellite is lifted from earth to a height h . Let the work done by the external agent be W1. Then it is projected with a speed v so as to move in a circular orbit doing an extra work W2. Compare these works done.
02
Oct
A satellite is lifted from earth to a height h . Let the work done by the external agent be W1. Then it is projected with a speed v so as to move in a circular orbit doing an extra work W2. Compare these works done. Find the percentage cahnge in the acceleration due to [...]
A ship of mass 3 * 10 ^7 kg, initially at rest, is pulled by a force of 5 * 10^4 N through a distance of 3 m. Assuming that the resistance due to water is negligible, the speed of the ship is
02
Oct
A ship of mass 3 * 10 ^7 kg, initially at rest, is pulled by a force of 5 * 10^4 N through a distance of 3 m. Assuming that the resistance due to water is negligible, the speed of the ship is A ship of mass 3 * 10 ^7 kg initially at rest [...]
The pulley arrangements in Fig. 7.357 (a) and Fig. 7.360(b) are identical. The mass of the rope is negligible. In Fig. 7.361 (a), the mass m is lifted up by attaching a mass 2m to the other end
02
Oct
The pulley arrangements in Fig. 7.357 (a) and Fig. 7.360(b) are identical. The mass of the rope is negligible. In Fig. 7.361 (a), the mass m is lifted up by attaching a mass 2m to the other end the mass m is lifted up by attaching a mass 2m to the other end The pulley [...]