Physics
A particle of mass m is moving with a uniform velocity v1. It is given an impulse such that its velocity become v2. The impulse is equal to
24
Aug
A particle of mass m is moving with a uniform velocity v1. It is given an impulse such that its velocity become v2. The impulse is equal to A particle of mass m is moving with a uniform velocity v1. It is given an impulse such that its velocity become v2. The impulse is equal [...]
A ball of mass 150g moving with an acceleration 20m/s^2 is hit by force , which acts on it for 0.1sec. The impulsive force is
24
Aug
A ball of mass 150g moving with an acceleration 20m/s^2 is hit by force , which acts on it for 0.1sec. The impulsive force is A ball of mass 150g moving with an acceleration 20m/s^2 is hit by force which acts on it for 0.1sec. The impulsive force is August 24, 2020 Category: Chapter 3 [...]
A bullet is fired from a gun. The force on the bullet is given by F = 600 − 2 × 10^5 t, where, F is in N and t in sec. The force on bullet becomes zero as soon as it leaves barrel. What is average impulse imparted to bullet?
24
Aug
A bullet is fired from a gun. The force on the bullet is given by F = 600 − 2 × 10^5 t, where, F is in N and t in sec. The force on bullet becomes zero as soon as it leaves barrel. What is average impulse imparted to bullet? A bullet is fired [...]
A ball of mass 3kg moving with a speed of 100 m/s, strikes a wall at an angle 60∘ (as shown in figure). The ball rebounds at the same speed and remains in contact with the wall for 0.2 s, the force exerted by the ball on the wall is
24
Aug
A ball of mass 3kg moving with a speed of 100 m/s, strikes a wall at an angle 60∘ (as shown in figure). The ball rebounds at the same speed and remains in contact with the wall for 0.2 s, the force exerted by the ball on the wall is A ball of mass 3kg [...]
A particle of mass 1 kg is thrown vertically upwards with speed 100 m/s. after 5 s, it explodes into two parts. One part of mass 400 g comes back with speed 25 m/s, What is the speed of other part just after explosion?
24
Aug
A particle of mass 1 kg is thrown vertically upwards with speed 100 m/s. after 5 s, it explodes into two parts. One part of mass 400 g comes back with speed 25 m/s, What is the speed of other part just after explosion? A particle of mass 1 kg is thrown vertically upwards with [...]
1 kg body explodes into three fragments. The ratio of their masses is 1:1:3. The fragments of same mass move perpendicular to each other with a speed of 30m/s, while the heavier part remains n the initial direction. The speed of heavier part is
24
Aug
1 kg body explodes into three fragments. The ratio of their masses is 1:1:3. The fragments of same mass move perpendicular to each other with a speed of 30m/s, while the heavier part remains n the initial direction. The speed of heavier part is 1 kg body explodes into three fragments. The ratio of their [...]
A player takes 0.1s I catching a ball of mass 150 g moving with velocity of 20 m/s. The force imparted by the bal on the hands of the player is
24
Aug
A player takes 0.1s I catching a ball of mass 150 g moving with velocity of 20 m/s. The force imparted by the bal on the hands of the player is A player takes 0.1s I catching a ball of mass 150 g moving with velocity of 20 m/s. The force imparted by the bal [...]
A boat is sent across a river with a velocity of 8 km hr^-1. If the resultant velocity of boat is 10 km hr^-1, then velocity of the river is
23
Aug
A boat is sent across a river with a velocity of 8 km hr^-1. If the resultant velocity of boat is 10 km hr^-1, then velocity of the river is A boat is sent across a river with a velocity of 8 km hr^-1. If the resultant velocity of boat is 10 km hr^-1 then [...]
The speed of boat is 5 Km/h in still water. It crosses a river of width 1.0 Km along shortest possible path in 15 min. The velocity of river water is
23
Aug
The speed of boat is 5 Km/h in still water. It crosses a river of width 1.0 Km along shortest possible path in 15 min. The velocity of river water is The speed of boat is 5 Km/h in still water. It crosses a river of width 1.0 Km along shortest possible path in 15 [...]
A person aiming to reach the exactly opposite point on the bank of a river. hid speed of swimming with a speed of 0.5 m/s at an angle of 120 degree with the direction of flow of water. The speed of water in the stream is
23
Aug
A person aiming to reach the exactly opposite point on the bank of a river. hid speed of swimming with a speed of 0.5 m/s at an angle of 120 degree with the direction of flow of water. The speed of water in the stream is Two particles A and B are connected by a [...]