Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A man standing on a trolley pushes another identical a trolley (both trolleys are at rest on a rough surface), are set in motion and stop alter some time so that they If the ratio of mass of first trolley with man to mass of second trolley is 3, then find the ratio of the stopping distances of the second trolley to that of the first trolley. (Assume coefficient of friction to be the same for both the trolleys)
22
Sep
A man standing on a trolley pushes another identical a trolley (both trolleys are at rest on a rough surface), are set in motion and stop alter some time so that they If the ratio of mass of first trolley with man to mass of second trolley is 3, then find the ratio of the [...]
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A man standing on a trolley pushes another identical a trolley (both trolleys are at rest on a rough surface) ,
are set in motion and stop alter some time so that they If the ratio of mass of first trolley with man to mass of second trolley is 3 ,
then find the ratio of the stopping distances of the second trolley to that of the first trolley. (Assume coefficient of friction to be the same for both the trolleys) ,
A man of mass M =58 kg jumps from an aeroplane as shown in Fig. He sees the hard ground below him and a lake at a distance d = 1 m from the point directly below him. He immediately puts off his jacket (mass m =2 kg) and throws it in a direction directly away from the lake. If he just fails to strike the ground, find the distance (in 101m) he should walk now to pick his jacket. (Neglect air resistance and take the velocity of man at the time of jump with respect to earth zero.)
22
Sep
A man of mass M =58 kg jumps from an aeroplane as shown in Fig. He sees the hard ground below him and a lake at a distance d = 1 m from the point directly below him. He immediately puts off his jacket (mass m =2 kg) and throws it in a direction directly [...]
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A car of mass m is initially at rest on the boat of mass M tied to the wall of dock through a massless ,
A strip of wood mass M and length l is placed on a smooth horizontal surface. An insect of mass m starts from rest at one end of the strip and walks to the other end in time t ,
moving with a constant speed. The speed of the insect as seen from the ground is ,
A child of mass 4 kg jumps from cart B to cart A and then immediately back to cart B. The mass of each cart is 20 kg and they are initially at rest. In both the cases the child jumps at 6 m/s relative to the cart. If the cart moves along the same line with negligible friction with the final velocities of VB and VA, respectively, find the ratio of 6 VB and 5 vA.
22
Sep
A child of mass 4 kg jumps from cart B to cart A and then immediately back to cart B. The mass of each cart is 20 kg and they are initially at rest. In both the cases the child jumps at 6 m/s relative to the cart. If the cart moves along the same [...]
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A car of mass m is initially at rest on the boat of mass M tied to the wall of dock through a massless ,
A strip of wood mass M and length l is placed on a smooth horizontal surface. An insect of mass m starts from rest at one end of the strip and walks to the other end in time t ,
moving with a constant speed. The speed of the insect as seen from the ground is ,
A massless spring of force constant 1000 N m/s is compressed a distance of 20 cm between discs of 8 kg and 2 kg, spring is not attached to discs. The system is given an initial velocity 3 m/s perpendicular to length of spring as shown in the figure. What is ground frame velocity of 2 kg block (in m/s) when spring regains its natural length.
22
Sep
A massless spring of force constant 1000 N m/s is compressed a distance of 20 cm between discs of 8 kg and 2 kg, spring is not attached to discs. The system is given an initial velocity 3 m/s perpendicular to length of spring as shown in the figure. What is ground frame velocity of [...]
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A car of mass m is initially at rest on the boat of mass M tied to the wall of dock through a massless ,
A massless spring of force constant 1000 N m/s is compressed a distance of 20 cm between discs of 8 kg and 2 kg ,
A strip of wood mass M and length l is placed on a smooth horizontal surface. An insect of mass m starts from rest at one end of the strip and walks to the other end in time t ,
moving with a constant speed. The speed of the insect as seen from the ground is ,
A frog sits on the end pf a long boord of length L = 5 m. the boord rests on a fricationless horizontal table. The frog wants os the minimum takes – off speed i.e relative to ground v that allows the frog yo do the trick? The board and the frog have equal masses.
21
Sep
A frog sits on the end pf a long boord of length L = 5 m. the boord rests on a fricationless horizontal table. The frog wants os the minimum takes – off speed i.e relative to ground v that allows the frog yo do the trick? The board and the frog have equal masses. [...]
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A car of mass m is initially at rest on the boat of mass M tied to the wall of dock through a massless ,
A strip of wood mass M and length l is placed on a smooth horizontal surface. An insect of mass m starts from rest at one end of the strip and walks to the other end in time t ,
moving with a constant speed. The speed of the insect as seen from the ground is ,
A ball of mass `m` is allowed to roll down the wedge of mass `M = 2 m` as shown in the figure. What is the displacement of wedge (in `m`) when the ball reaches from `A` to `B`? Take `theta=45^(@), h=1 m, d = 4 m`
21
Sep
A ball of mass `m` is allowed to roll down the wedge of mass `M = 2 m` as shown in the figure. What is the displacement of wedge (in `m`) when the ball reaches from `A` to `B`? Take `theta=45^(@), h=1 m, d = 4 m` A ball of mass `m` is allowed to [...]
Figure shows a wedge A of mass 6 m smooth semicircular groove of radius a = 8.4 m placed on a smooth horizontal surface. A small block B of mass m is released from a position in groove where its radius is horizontal. Find the speed (in m/s) of bigger block when smaller block reaches its bottom most position.
21
Sep
Figure shows a wedge A of mass 6 m smooth semicircular groove of radius a = 8.4 m placed on a smooth horizontal surface. A small block B of mass m is released from a position in groove where its radius is horizontal. Find the speed (in m/s) of bigger block when smaller block reaches [...]
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A car of mass m is initially at rest on the boat of mass M tied to the wall of dock through a massless ,
A strip of wood mass M and length l is placed on a smooth horizontal surface. An insect of mass m starts from rest at one end of the strip and walks to the other end in time t ,
moving with a constant speed. The speed of the insect as seen from the ground is ,
Three particles A, B and C of equal mass move with equal speed V=5ms−1 along the medians of an equilateral triangle as shown in the figure. They collide at the centroid G of the triangle. After the collision, A comes to rest, B retraces its path with the speed V= 5 m/s. What is the speed of C?
21
Sep
Three particles A, B and C of equal mass move with equal speed V=5ms−1 along the medians of an equilateral triangle as shown in the figure. They collide at the centroid G of the triangle. After the collision, A comes to rest, B retraces its path with the speed V= 5 m/s. What is the [...]
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A comes to rest ,
B and C of equal mass move with equal speed V=5ms−1 along the medians of an equilateral triangle as shown in the figure. They collide at the centroid G of the triangle. After the collision ,
B retraces its path with the speed V= 5 m/s. What is the speed of C? ,
Three particles A ,
Figure shows position and velocities of two particles moving under gravitional attraction in space at time t = 0. The position of centre of mass after one second is ‘*’ m. Fill ‘*’.
21
Sep
Figure shows position and velocities of two particles moving under gravitional attraction in space at time t = 0. The position of centre of mass after one second is ‘*’ m. Fill ‘*’. Figure shows position and velocities of two particles moving under gravitional attraction in space at time t = 0. The position of [...]
A car of mass m is initially at rest on the boat of mass M tied to the wall of dock through a massless, inextensible string. The car accelerates from rest to velocity v0 in times to. At t=t0 the car applies brake and comes to rest relative to the boat in negligible time. Neglect friction between the boat and water: the time ‘t’ at which boat will strike the wall is
21
Sep
A car of mass m is initially at rest on the boat of mass M tied to the wall of dock through a massless, inextensible string. The car accelerates from rest to velocity v0 in times to. At t=t0 the car applies brake and comes to rest relative to the boat in negligible time. Neglect [...]
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A car of mass m is initially at rest on the boat of mass M tied to the wall of dock through a massless ,
A strip of wood mass M and length l is placed on a smooth horizontal surface. An insect of mass m starts from rest at one end of the strip and walks to the other end in time t ,
moving with a constant speed. The speed of the insect as seen from the ground is ,