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An inclined plane makes an angle 30^∘ with the horizontal. A groove (OA) of length 5m cut in the plane makes an angle 30^∘ with OX. A short smooth cylinder is free to slide down under the influence of gravity. The time taken by the cylinder to reach from A to O is (g=10ms^−2).
19
Oct
An inclined plane makes an angle 30^∘ with the horizontal. A groove (OA) of length 5m cut in the plane makes an angle 30^∘ with OX. A short smooth cylinder is free to slide down under the influence of gravity. The time taken by the cylinder to reach from A to O is (g=10ms^−2). on [...]
The system shown in fig is released from rest. (Neglecting friction and mass of the pulley, string and spring). The spring can be elongated:
19
Oct
The system shown in fig is released from rest. (Neglecting friction and mass of the pulley, string and spring). The spring can be elongated: string and spring). The spring can be elongated: The system shown in fig is released from rest. (Neglecting friction and mass of the pulley October 19, 2020 Category: Cengage JEE Mains [...]
A plumb bob is hung from the ceiling of a train compartment, The train moves on an inclined track of inclination 30 degree with horizontal. The acceleration of train up the plane is a=g/2. The angle which the string supporting the bob makes with normal to the ceiling in equilibrium is
19
Oct
A plumb bob is hung from the ceiling of a train compartment, The train moves on an inclined track of inclination 30 degree with horizontal. The acceleration of train up the plane is a=g/2. The angle which the string supporting the bob makes with normal to the ceiling in equilibrium is A plumb bob is [...]
A ball of mass m moving with a velocity u rebounds from a wall. The collision is assumed to be elastic and the force of interaction between the ball and wall varies as shown in Fig.. Then the value of F0 is
19
Oct
A ball of mass m moving with a velocity u rebounds from a wall. The collision is assumed to be elastic and the force of interaction between the ball and wall varies as shown in Fig.. Then the value of F0 is on a smooth frictionless surface. They pull on a rope stretched between them. [...]
n balls each of mass m impinge elastically each second on a surface with velocity u. The average force experienced by the surface will be
19
Oct
n balls each of mass m impinge elastically each second on a surface with velocity u. The average force experienced by the surface will be n balls each of mass m impinge elastically each second on a surface with velocity u. The average force experienced by the surface will be October 19, 2020 Category: Cengage [...]
In fig., blocks A and B move with velocities v1 and v2 along horizontal direction. Find the ratio of v1/v2
19
Oct
In fig., blocks A and B move with velocities v1 and v2 along horizontal direction. Find the ratio of v1/v2 blocks A and B move with velocities v1 and v2 along horizontal direction. Find the ratio of v1/v2. In Fig. October 19, 2020 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 5 - [...]
Two skaters have weight in the ratio 4:5 and are 9 m apart, on a smooth frictionless surface. They pull on a rope stretched between them. The ratio of the distance covered by them when they meet each other will be
19
Oct
Two skaters have weight in the ratio 4:5 and are 9 m apart, on a smooth frictionless surface. They pull on a rope stretched between them. The ratio of the distance covered by them when they meet each other will be on a smooth frictionless surface. They pull on a rope stretched between them. The [...]
A car is moving horizontally along a straight line with a uniform velocity of 25ms^−1. A projectile is to be fired from this car in such a way that it will return to it after it has moved 100m. The speed of the projection must be.
19
Oct
A car is moving horizontally along a straight line with a uniform velocity of 25ms^−1. A projectile is to be fired from this car in such a way that it will return to it after it has moved 100m. The speed of the projection must be. A particle starts from the origin with a velocity [...]
A projectile is given an initial velocity of i ^+2j ^. The cartesian equation of its path is (g = 10 ms^−2).
19
Oct
A projectile is given an initial velocity of i ^+2j ^. The cartesian equation of its path is (g = 10 ms^−2). A projectile is given an initial velocity of i ^+2j ^. The cartesian equation of its path is (g = 10 ms^−2). October 19, 2020 Category: Cengage JEE Mains Physics by B.M Sharma [...]
A projectile is thrown in the upward direction making an angle of 60^∘ with the horizontal direction with a velocity of 150 ms^−1. Then the time after which its inclination with the horizontal is 45^∘ is
19
Oct
A projectile is thrown in the upward direction making an angle of 60^∘ with the horizontal direction with a velocity of 150 ms^−1. Then the time after which its inclination with the horizontal is 45^∘ is A particle starts from the origin with a velocity of 10ms^−1 and moves with a constant acceleration till the [...]