Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
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 [...]
A staircase contains three steps each 10 cm high and 20 cm wide. What should be the minimum horizontal velocity of a ball rolling off the uppermost plane so as to hit directly the lowest plane?
21
Sep
A staircase contains three steps each 10 cm high and 20 cm wide. What should be the minimum horizontal velocity of a ball rolling off the uppermost plane so as to hit directly the lowest plane? A staircase contains three steps each 10 cm high and 20 cm wide. What should be the minimum horizontal [...]
A block of mass M is tied to one end of a massless rope the other end of the rope is in the hands of a man of mass 2M as shown in the figure the block and the man are resting on a rough plank of mass M as shown in the figure the whole system is resting on a smooth horizontal surface the man pulls the rope pulley is massless and friction what is the displacement of the plank when the block meets the pulley ( Man does not leave his position on plank during the pull)
21
Sep
A block of mass M is tied to one end of a massless rope the other end of the rope is in the hands of a man of mass 2M as shown in the figure the block and the man are resting on a rough plank of mass M as shown in the figure the [...]
A man standing on the roof of a house of height h throws one particle vertically downwards and another particle horizontally with the same velocity u. Find the ration of their velocities when they reach
21
Sep
A man standing on the roof of a house of height h throws one particle vertically downwards and another particle horizontally with the same velocity u. Find the ration of their velocities when they reach both the balls stay in our view for the same period. Pankaj and Sudhir are playing with two different balls [...]
A particle of mass 4 m is projected from the ground at some angle with horizontal. Its horizontal range is R. At the highest point of its path it breaks into two pieces of masses m and 3m, respectively, such that the smaller mass comes to rest. The larger mass finally falls at a distance x from the point of projection, where x is equal to
21
Sep
A particle of mass 4 m is projected from the ground at some angle with horizontal. Its horizontal range is R. At the highest point of its path it breaks into two pieces of masses m and 3m, respectively, such that the smaller mass comes to rest. The larger mass finally falls at a distance [...]
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A particle of mass 4 m is projected from the ground at some angle with horizontal. Its horizontal range is R. At the highest point of its path it breaks into two pieces of masses m and 3m ,
respectively ,
such that the smaller mass comes to rest. The larger mass finally falls at a distance x from the point of projection ,
where x is equal to ,
A body is projected horizontally from the top of a tower with initial velocity 18 m/s. It hits the ground at angle 45. What is the vertical component of velocity when it strikes the ground?
21
Sep
A body is projected horizontally from the top of a tower with initial velocity 18 m/s. It hits the ground at angle 45. What is the vertical component of velocity when it strikes the ground? A body is projected horizontally from the top of a tower with initial velocity 18 m/s. It hits the ground [...]
A ball rolls off top of a staircase with a horizontal velocity u m/s. If the steps are h metre high and b metre wide, the ball will just hit the edge of nth step. Find the value of n.
21
Sep
A ball rolls off top of a staircase with a horizontal velocity u m/s. If the steps are h metre high and b metre wide, the ball will just hit the edge of nth step. Find the value of n. A ball rolls off top of a staircase with a horizontal velocity u m/s. If [...]
A particle of mass 2 m is projected at an angle of 45∘ with horizontal with a velocity of 202 root 2 m/s. After 1 s explosion takes place and the particle is broken into two equal pieces. As a result of explosion one part comes to rest. Find the maximum height attained by the other part. Take g = 10 m/s^2.
21
Sep
A particle of mass 2 m is projected at an angle of 45∘ with horizontal with a velocity of 202 root 2 m/s. After 1 s explosion takes place and the particle is broken into two equal pieces. As a result of explosion one part comes to rest. Find the maximum height attained by the [...]
Two particles are separated at a horizontal distance x as shown in Fig. 5.57. They are projected at the same time as shown in the figure with different initial speed. Find the time after which the horizontal distance
21
Sep
Two particles are separated at a horizontal distance x as shown in Fig. 5.57. They are projected at the same time as shown in the figure with different initial speed. Find the time after which the horizontal distance both the balls stay in our view for the same period. Pankaj and Sudhir are playing with [...]
Two seconds after projection, a projectile is travelling in a direction inclined at 30 to the horizontal. After one more second, it is travelling horizontally. Find the magnitude and direction of its velocity.
21
Sep
Two seconds after projection, a projectile is travelling in a direction inclined at 30 to the horizontal. After one more second, it is travelling horizontally. Find the magnitude and direction of its velocity. a projectile is travelling in a direction inclined at 30 to the horizontal. After one more second it is travelling horizontally. Find [...]