Question Answers
Sahay Sir > Question Answers
A block of mass m fitted with a light spring of stiffness k and natural length l0 is kept on a smooth radial groove made on a disc rotating with a constant angular velocity omega about a vertical axis.
30
Sep
A block of mass m fitted with a light spring of stiffness k and natural length l0 is kept on a smooth radial groove made on a disc rotating with a constant angular velocity omega about a vertical axis. A car is moving with uniform speed over a circular bridge of radius R which subtends [...]
A car is moving with uniform speed over a circular bridge of radius R which subtends an angle of 90 at its center. Find the minimum possible speed so that the car can cross the bridge
30
Sep
A car is moving with uniform speed over a circular bridge of radius R which subtends an angle of 90 at its center. Find the minimum possible speed so that the car can cross the bridge A car is moving with uniform speed over a circular bridge of radius R which subtends an angle of [...]
A simple pendulum is constructed by attaching a bob of mass m to a string of length L fixed at its upper end. The bob oscillates in a vertical circle. It is found that the speed of the bob is v
30
Sep
A simple pendulum is constructed by attaching a bob of mass m to a string of length L fixed at its upper end. The bob oscillates in a vertical circle. It is found that the speed of the bob is v A simple pendulum is constructed by attaching a bob of mass m to a [...]
A small mass m and its supporting wire become a simple pendulum when the horizontal cord is cut. Find the ratio of the tension in the supporting wire immediately after the cord is cut
30
Sep
A small mass m and its supporting wire become a simple pendulum when the horizontal cord is cut. Find the ratio of the tension in the supporting wire immediately after the cord is cut A small mass m and its supporting wire become a simple pendulum when the horizontal cord is cut. Find the ratio [...]
A rod OA rotates about a horizontal axis through O with a constant anticlockwise velocity omega = 3 rad/s. As it passes the position theta = 0, a small block of mass m is placed on it
30
Sep
A rod OA rotates about a horizontal axis through O with a constant anticlockwise velocity omega = 3 rad/s. As it passes the position theta = 0, a small block of mass m is placed on it A rod OA rotates about a horizontal axis through O with a constant anticlockwise velocity omega = 3 [...]
A 60 kg woman is on a large vertical swing of radius 20 m. The swing rotates with constant speed. a. At what speed would she feel wightless at the top? b. At this speed, what is her apparent
30
Sep
A 60 kg woman is on a large vertical swing of radius 20 m. The swing rotates with constant speed. a. At what speed would she feel wightless at the top? b. At this speed, what is her apparent A 60 kg woman is on a large vertical swing of radius 20 m. The swing [...]
An old record player of 15.0 cm radius turns at 33.0 rev/min while mounted on a 30 incline as shown in the Fig. 7.191. a. If a mass m can be placed anywhere on the rotating record,
30
Sep
An old record player of 15.0 cm radius turns at 33.0 rev/min while mounted on a 30 incline as shown in the Fig. 7.191. a. If a mass m can be placed anywhere on the rotating record, An old record player of 15.0 cm radius turns at 33.0 rev/min while mounted on a 30 incline [...]
A block of mass m is kept on a horizontal ruler. The friction coefficient between the ruler and the block is m. The ruler is fixed at one end and the block is at a distance L from the fixed end.
30
Sep
A block of mass m is kept on a horizontal ruler. The friction coefficient between the ruler and the block is m. The ruler is fixed at one end and the block is at a distance L from the fixed end. A block of mass m is kept on a horizontal ruler. The friction coefficient [...]
A ceiling fan has a diameter (of the circle through the outer edges of the three blades ) of 120 cm and rpm 1500 at full speed. Consider a particle of mass 1 g sticking at the outer end of the blade.
30
Sep
A ceiling fan has a diameter (of the circle through the outer edges of the three blades ) of 120 cm and rpm 1500 at full speed. Consider a particle of mass 1 g sticking at the outer end of the blade. A ceiling fan has a diameter (of the circle through the outer edges [...]
A simple pendulum is oscillating with angular displacement 90. For what angle vertical the acceleration of bob directed horizontally?
30
Sep
A simple pendulum is oscillating with angular displacement 90. For what angle vertical the acceleration of bob directed horizontally? A simple pendulum is oscillating with angular displacement 90. For what angle vertical the acceleration of bob directed horizontally? September 30, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,