Physics
An explosion breaks a rock into three parts in a horizontal plane. Two of them go off at right angles to each other. The first part of mass 1 kg moves with a speed of 12ms^−1 and the second part of mass 2 kg moves with 8ms^−1 speed. If the third part flies off with 4ms^−1 speed, then its mass is
28
Aug
An explosion breaks a rock into three parts in a horizontal plane. Two of them go off at right angles to each other. The first part of mass 1 kg moves with a speed of 12ms^−1 and the second part of mass 2 kg moves with 8ms^−1 speed. If the third part flies off with [...]
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A bullet of mass 10g moving horizontally with a velocity of 400 m/s strikes a wood block of mass 2 kg which is suspended by a light inextensible string of length 5 m. As a result ,
A missile is fired for maximum range with an initial velocity of 20m/s. If g = 10m/s2 ,
the range of the missile is ,
A body of mass (4m) is lying in x-y plane at rest. It suddenly explodes into three pieces. Two pieces, each of mass (m) move perpendicular to each other with equal speeds (u). The total kinetic energy generated due to explosion is
28
Aug
A body of mass (4m) is lying in x-y plane at rest. It suddenly explodes into three pieces. Two pieces, each of mass (m) move perpendicular to each other with equal speeds (u). The total kinetic energy generated due to explosion is A body of mass (4m) is lying in x-y plane at rest. It [...]
The force ‘F’ acting on a particle of mass ‘m’ is indicated by the force-time graph shown below. The change in momentum of the particle over the time interval from zero to 8 s is question
28
Aug
The force ‘F’ acting on a particle of mass ‘m’ is indicated by the force-time graph shown below. The change in momentum of the particle over the time interval from zero to 8 s is question The force 'F' acting on a particle of mass 'm' is indicated by the force-time graph shown below. The [...]
A bullet of mass 10g moving horizontally with a velocity of 400 m/s strikes a wood block of mass 2 kg which is suspended by a light inextensible string of length 5 m. As a result, the centre of gravity the block is found to rise a vertical distance of the block is found to rise a vertical distance of 10 cm. The speed of the bullet after it emerges out horizontally from the block will be:
28
Aug
A bullet of mass 10g moving horizontally with a velocity of 400 m/s strikes a wood block of mass 2 kg which is suspended by a light inextensible string of length 5 m. As a result, the centre of gravity the block is found to rise a vertical distance of the block is found to [...]
Posted in:
Chapter 5 - NLM
,
NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions
,
Physics
,
Tags:
A bullet of mass 10g moving horizontally with a velocity of 400 m/s strikes a wood block of mass 2 kg which is suspended by a light inextensible string of length 5 m. As a result ,
A missile is fired for maximum range with an initial velocity of 20m/s. If g = 10m/s2 ,
the range of the missile is ,
A rigid ball of mass m strikes a rigid wall at 60 degree and gets reflected without loss of speed as shown in the figure below. The value of impulse imparted by the wall on the ball will be :
28
Aug
A rigid ball of mass m strikes a rigid wall at 60 degree and gets reflected without loss of speed as shown in the figure below. The value of impulse imparted by the wall on the ball will be : A rigid ball of mass m strikes a rigid wall at 60 degree and gets [...]
The speed of a swimmer in still water is 20 m/s. The speed of river water is 10 m/s and is flowing due east. If he is standing on the south bank and wishes to cross the river along the shortest path the angle at which he should make his strokes w.r.t north is given by :
28
Aug
The speed of a swimmer in still water is 20 m/s. The speed of river water is 10 m/s and is flowing due east. If he is standing on the south bank and wishes to cross the river along the shortest path the angle at which he should make his strokes w.r.t north is given [...]
For angles of projection of a projectile at angles (45 degree − θ) and (45 degree + θ) , the horizontal ranges described by the projectile are in the ratio of:
28
Aug
For angles of projection of a projectile at angles (45 degree − θ) and (45 degree + θ) , the horizontal ranges described by the projectile are in the ratio of: For angles of projection of a projectile at angles (45 degree − θ) and (45 degree + θ) the horizontal ranges described by the [...]
A particle of mass m is projected with velocity v making an angle of 45 degree with the horizontal. When the particle lands on the level ground the magnitude of the change in its momentum will be :
28
Aug
A particle of mass m is projected with velocity v making an angle of 45 degree with the horizontal. When the particle lands on the level ground the magnitude of the change in its momentum will be : A particle of mass m is projected with velocity v making an angle of 45 degree with [...]
A missile is fired for maximum range with an initial velocity of 20m/s. If g = 10m/s2, the range of the missile is
28
Aug
A missile is fired for maximum range with an initial velocity of 20m/s. If g = 10m/s2, the range of the missile is A missile is fired for maximum range with an initial velocity of 20m/s. If g = 10m/s2 the range of the missile is August 28, 2020 Category: Chapter 4 - Motion in [...]
The horizontal range and the maximum height of a projectile are equal . The angle of projection of the projectile is:
28
Aug
The horizontal range and the maximum height of a projectile are equal . The angle of projection of the projectile is: The horizontal range and the maximum height of a projectile are equal . The angle of projection of the projectile is: August 28, 2020 Category: Chapter 4 - Motion in a Plane , NEET [...]