Physics-
General
Easy
Question
A ball is projected from ground with a velocity V at an angle 
to the vertical. On its path it makes an elastic Collison with a vertical wall and returns to ground. The total time of flight of the ball is
The correct answer is:
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A small block of mass m is placed on a wedge of mass M as shown, which is initially at rest. All the surfaces are frictionless. The spring attached to the other end of wedge has force constant k. If a' is the acceleration of m relative to the wedge as it starts coming down and A is the acceleration acquired by the wedge as the block starts coming down, then
A small block of mass m is placed on a wedge of mass M as shown, which is initially at rest. All the surfaces are frictionless. The spring attached to the other end of wedge has force constant k. If a' is the acceleration of m relative to the wedge as it starts coming down and A is the acceleration acquired by the wedge as the block starts coming down, then
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Two persons of mass m1 and m2 are standing at the two ends A and B respectively, of a trolley of mass M as shown Choose the incorrect statement, if m1 = m2 = m and both the persons jump one by one, then
Two persons of mass m1 and m2 are standing at the two ends A and B respectively, of a trolley of mass M as shown Choose the incorrect statement, if m1 = m2 = m and both the persons jump one by one, then
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Two persons of mass m1 and m2 are standing at the two ends A and B respectively, of a trolley of mass M as shown When both the persons jump simultaneously with urel with respect to the trolley, then the velocity of the trolley is
Two persons of mass m1 and m2 are standing at the two ends A and B respectively, of a trolley of mass M as shown When both the persons jump simultaneously with urel with respect to the trolley, then the velocity of the trolley is
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Two persons of mass m1 and m2 are standing at the two ends A and B respectively, of a trolley of mass M as shown When both the persons jump simultaneously with same speed then
Two persons of mass m1 and m2 are standing at the two ends A and B respectively, of a trolley of mass M as shown When both the persons jump simultaneously with same speed then
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Two persons of mass m1 and m2 are standing at the two ends A and B respectively, of a trolley of mass M as shown When only the person standing at B jumps from the trolley towards right while the person at A keeps standing, then
Two persons of mass m1 and m2 are standing at the two ends A and B respectively, of a trolley of mass M as shown When only the person standing at B jumps from the trolley towards right while the person at A keeps standing, then
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Two persons of mass m1 and m2 are standing at the two ends A and B respectively, of a trolley of mass M as shown When the person standing at A jumps from the trolley towards left with urel with respect to the trolley, then
Two persons of mass m1 and m2 are standing at the two ends A and B respectively, of a trolley of mass M as shown When the person standing at A jumps from the trolley towards left with urel with respect to the trolley, then
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The figure shows a man of mass m standing at the end A of a trolley of mass M placed at rest on a smooth horizontal surface. The man starts moving towards the end B with a velocity urel with respect to the trolley. The length of the trolley is L Choose the correct statement
The figure shows a man of mass m standing at the end A of a trolley of mass M placed at rest on a smooth horizontal surface. The man starts moving towards the end B with a velocity urel with respect to the trolley. The length of the trolley is L Choose the correct statement
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The figure shows a man of mass m standing at the end A of a trolley of mass M placed at rest on a smooth horizontal surface. The man starts moving towards the end B with a velocity urel with respect to the trolley. The length of the trolley is L The distance moved by the man with respect to ground is
The figure shows a man of mass m standing at the end A of a trolley of mass M placed at rest on a smooth horizontal surface. The man starts moving towards the end B with a velocity urel with respect to the trolley. The length of the trolley is L The distance moved by the man with respect to ground is
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The figure shows a man of mass m standing at the end A of a trolley of mass M placed at rest on a smooth horizontal surface. The man starts moving towards the end B with a velocity urel with respect to the trolley. The length of the trolley is L When the man reaches the end B, the distance moved by the trolley with respect to ground is
The figure shows a man of mass m standing at the end A of a trolley of mass M placed at rest on a smooth horizontal surface. The man starts moving towards the end B with a velocity urel with respect to the trolley. The length of the trolley is L When the man reaches the end B, the distance moved by the trolley with respect to ground is
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The figure shows a man of mass m standing at the end A of a trolley of mass M placed at rest on a smooth horizontal surface. The man starts moving towards the end B with a velocity urel with respect to the trolley. The length of the trolley is L As the man walks on the trolley, the centre of mass of the system (man + trolley)
The figure shows a man of mass m standing at the end A of a trolley of mass M placed at rest on a smooth horizontal surface. The man starts moving towards the end B with a velocity urel with respect to the trolley. The length of the trolley is L As the man walks on the trolley, the centre of mass of the system (man + trolley)
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The figure shows a man of mass m standing at the end A of a trolley of mass M placed at rest on a smooth horizontal surface. The man starts moving towards the end B with a velocity urel with respect to the trolley. The length of the trolley is L The time taken by the man to reach the other end is
The figure shows a man of mass m standing at the end A of a trolley of mass M placed at rest on a smooth horizontal surface. The man starts moving towards the end B with a velocity urel with respect to the trolley. The length of the trolley is L The time taken by the man to reach the other end is
physics-General
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The figure shows a man of mass m standing at the end A of a trolley of mass M placed at rest on a smooth horizontal surface. The man starts moving towards the end B with a velocity urel with respect to the trolley. The length of the trolley is L The velocity of the man with respect to ground v1 will be
The figure shows a man of mass m standing at the end A of a trolley of mass M placed at rest on a smooth horizontal surface. The man starts moving towards the end B with a velocity urel with respect to the trolley. The length of the trolley is L The velocity of the man with respect to ground v1 will be
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The figure shows a man of mass m standing at the end A of a trolley of mass M placed at rest on a smooth horizontal surface. The man starts moving towards the end B with a velocity urel with respect to the trolley. The length of the trolley is L When the man starts moving, then the velocity of the trolley v2 with respect to ground will be
The figure shows a man of mass m standing at the end A of a trolley of mass M placed at rest on a smooth horizontal surface. The man starts moving towards the end B with a velocity urel with respect to the trolley. The length of the trolley is L When the man starts moving, then the velocity of the trolley v2 with respect to ground will be
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A ball of mass m = 60gm is shot with speed v0 = 22m/s into the barrel of spring gun of mass M = 240g initially at rest on a frictionless surface. The ball sticks in the barrel at the point of maximum compression of the spring
A 4-kilogram disk slides over level ice toward the east at a velocity of 1meter per second, as shown. The disk strikes a post and rebounds toward the north at the same speed. The change in the magnitude of the eastward component of the momentum of the disk is
A ball of mass m = 60gm is shot with speed v0 = 22m/s into the barrel of spring gun of mass M = 240g initially at rest on a frictionless surface. The ball sticks in the barrel at the point of maximum compression of the spring
A 4-kilogram disk slides over level ice toward the east at a velocity of 1meter per second, as shown. The disk strikes a post and rebounds toward the north at the same speed. The change in the magnitude of the eastward component of the momentum of the disk is
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A ball of mass m = 60gm is shot with speed v0 = 22m/s into the barrel of spring gun of mass M = 240g initially at rest on a frictionless surface. The ball sticks in the barrel at the point of maximum compression of the spring
In an elastic collision of two billiard balls which of the following quantities is not conserved during the short time of collision
A ball of mass m = 60gm is shot with speed v0 = 22m/s into the barrel of spring gun of mass M = 240g initially at rest on a frictionless surface. The ball sticks in the barrel at the point of maximum compression of the spring
In an elastic collision of two billiard balls which of the following quantities is not conserved during the short time of collision
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