Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
The magnitude of the net force exerted in the x direction on a 2.50 kg particle varies with time as shown in Fig. 6.12. Find (a) the impulse of the force, (b) the final velocity the particle attains
25
Sep
The magnitude of the net force exerted in the x direction on a 2.50 kg particle varies with time as shown in Fig. 6.12. Find (a) the impulse of the force, (b) the final velocity the particle attains (b) the final velocity the particle attains The magnitude of the net force exerted in the x [...]
A 3 kg steel ball strikes a wall with a speed of 10.0 m/s at an angle of 60.0 with the surface of the wall. The ball bounces off the same speed and same angle (Fig. 6.11). If the ball was in contact with the wall for 0.2
25
Sep
A 3 kg steel ball strikes a wall with a speed of 10.0 m/s at an angle of 60.0 with the surface of the wall. The ball bounces off the same speed and same angle (Fig. 6.11). If the ball was in contact with the wall for 0.2 Water falls without splashing at a rate [...]
A liquid of density rho is flowing with a speed v through a pipe of cross sectional area A. The pipe is bent in the shape of a right angle as shown. What force should be exerted on the pipe at
25
Sep
A liquid of density rho is flowing with a speed v through a pipe of cross sectional area A. The pipe is bent in the shape of a right angle as shown. What force should be exerted on the pipe at A liquid of density rho is flowing with a speed v through a pipe [...]
Water falls without splashing at a rate of 0.250 L/s from a height of 2.60 m into a 0.750 kg bucket on a scale. If the bucket is originally empty, what does the scale read 3 s after water starts to
25
Sep
Water falls without splashing at a rate of 0.250 L/s from a height of 2.60 m into a 0.750 kg bucket on a scale. If the bucket is originally empty, what does the scale read 3 s after water starts to Water falls without splashing at a rate of 0.250 L/s from a height of [...]
A rubber ball of mass 50 g falls from a height of 5 m and rebounds to a height of 1.25 m. Find the impulse and the average force between the ball and the ground if the time for which they are in contact was 0.1 s.
25
Sep
A rubber ball of mass 50 g falls from a height of 5 m and rebounds to a height of 1.25 m. Find the impulse and the average force between the ball and the ground if the time for which they are in contact was 0.1 s. 48). The magnitude of the average velocity is [...]
Figure 6.8 shows the position-time graph of a particle of mass 0.04 kg. Suggest a suitable physical context for this motion. What is the time between two consecutive impulses received
25
Sep
Figure 6.8 shows the position-time graph of a particle of mass 0.04 kg. Suggest a suitable physical context for this motion. What is the time between two consecutive impulses received Figure 6.8 shows the position-time graph of a particle of mass 0.04 kg. Suggest a suitable physical context for this motion. What is the time [...]
As shown in Fig. 6.7, two identical balls strike a rigid wall with equal speeds but at different angles of incidence. They are reflected back without any loss in speed. a. Determine the direction of force
25
Sep
As shown in Fig. 6.7, two identical balls strike a rigid wall with equal speeds but at different angles of incidence. They are reflected back without any loss in speed. a. Determine the direction of force As shown in Fig. 6.7 two identical balls strike a rigid wall with equal speeds but at different angles [...]
Explain why a. A horse cannot pull a cart and run in empty space. b. Passengers are thrown forward from their seats when a speeding bus stops suddenly. c. A cricketer moves his hands backwards
25
Sep
Explain why a. A horse cannot pull a cart and run in empty space. b. Passengers are thrown forward from their seats when a speeding bus stops suddenly. c. A cricketer moves his hands backwards Explain why a. A horse cannot pull a cart and run in empty space. b. Passengers are thrown forward from [...]
A rocket is moving in a gravity free space with a constant acceleration of 2 m/s^2 along +x direction (see figure). The length of a chamber inside the rocket is 4 m. A ball is thrown from the left end of the chamber in
25
Sep
A rocket is moving in a gravity free space with a constant acceleration of 2 m/s^2 along +x direction (see figure). The length of a chamber inside the rocket is 4 m. A ball is thrown from the left end of the chamber in 48). The magnitude of the average velocity is a particle goes [...]
Airplanes A and B are flying with constant velocity in the same vertical plane at angle 30 and 60 with respect to the horizontal respectively as shown in the figure. The speed of A is 100 root 3 m/s.
25
Sep
Airplanes A and B are flying with constant velocity in the same vertical plane at angle 30 and 60 with respect to the horizontal respectively as shown in the figure. The speed of A is 100 root 3 m/s. Airplanes A and B are flying with constant velocity in the same vertical plane at angle [...]