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A body with mass 5 kg is acted upon by a force F = ( -3 i^ + 4 j^)N. If its initial velocity at t=0 is v = ( 6 i^ – 12 j^)ms^−1, the time at which it will just have a velocity along the y-axis is
11
Sep
A body with mass 5 kg is acted upon by a force F = ( -3 i^ + 4 j^)N. If its initial velocity at t=0 is v = ( 6 i^ – 12 j^)ms^−1, the time at which it will just have a velocity along the y-axis is A body with mass 5 kg [...]
A plane mirror is placed at the bottom of a tank containing a liquid of refractive index μ. P is a small object at a height h above the mirror. An observes P and its image in the mirror. The apparent distance between two will be
11
Sep
A plane mirror is placed at the bottom of a tank containing a liquid of refractive index μ. P is a small object at a height h above the mirror. An observes P and its image in the mirror. The apparent distance between two will be The graph shows variation of v with in u [...]
A body of mass 2 kg travels according to the law x(t) = pt + qt^2 + rt^3 where p = 3 ms^−1, q = 4 ms^−2 and r = 5 ms^−3. The acting on the body at t = 2 seconds is
11
Sep
A body of mass 2 kg travels according to the law x(t) = pt + qt^2 + rt^3 where p = 3 ms^−1, q = 4 ms^−2 and r = 5 ms^−3. The acting on the body at t = 2 seconds is A body of mass 2 kg travels according to the law x(t) [...]
A trolley T of mass 5 kg on a smooth horizontal surface is pulled by a load of 2 kg through a uniform rope ABC of length 2 m and mass 1 kg, (figure); As the load falls from BC = 0 m to BC = 2 m, its acceleration, in ms^-2 changes from (Take g = 10 ms^-2)
11
Sep
A trolley T of mass 5 kg on a smooth horizontal surface is pulled by a load of 2 kg through a uniform rope ABC of length 2 m and mass 1 kg, (figure); As the load falls from BC = 0 m to BC = 2 m, its acceleration, in ms^-2 changes from (Take [...]
In the figure, what type of collision can be possible, if k = 14 eV, 20.4 ev, 22 eV, 24.18 eV (elastic/inelastic/perfectly inelastic).
11
Sep
In the figure, what type of collision can be possible, if k = 14 eV, 20.4 ev, 22 eV, 24.18 eV (elastic/inelastic/perfectly inelastic). 20.4 ev 22 eV 24.18 eV (elastic/inelastic/perfectly inelastic). if k = 14 eV In the figure what type of collision can be possible September 11, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
The elevator shown in figure is descending, with an acceleration of 2 m/s^2. The mass of the block A is 0.5 kg. The force exerted by the block A on the block B is –
11
Sep
The elevator shown in figure is descending, with an acceleration of 2 m/s^2. The mass of the block A is 0.5 kg. The force exerted by the block A on the block B is – The elevator shown in figure is descending with an acceleration of 2 m/s^2. The mass of the block A is [...]
Two pulley arrangements (A) and (B) are as shown in the figure. Neglect the masses of the ropes and pulleys and the friction at the axle of the pulleys. The ratio of the acceleration of mass m in arrangement (A) to that in arrangement (B) is
11
Sep
Two pulley arrangements (A) and (B) are as shown in the figure. Neglect the masses of the ropes and pulleys and the friction at the axle of the pulleys. The ratio of the acceleration of mass m in arrangement (A) to that in arrangement (B) is Two masses m1 and m2 are accelerated uniformly on [...]
A neutron which is going to collide head on to a stationary H atoms has initial kinetic energy of 24.5 eV. Discuss different possibilities of collision.
11
Sep
A neutron which is going to collide head on to a stationary H atoms has initial kinetic energy of 24.5 eV. Discuss different possibilities of collision. A neutron which is going to collide head on to a stationary H atoms has initial kinetic energy of 24.5 eV. Discuss different possibilities of collision. September 11, 2020 [...]
A particle of charge equal to that of an electron, -e, and mass 208 times the mass of electron (called a mu-meson) moves in a circular orbit around a nucleus of charge +3e. (Take the mass of the nucleus to be infinite.)
11
Sep
A particle of charge equal to that of an electron, -e, and mass 208 times the mass of electron (called a mu-meson) moves in a circular orbit around a nucleus of charge +3e. (Take the mass of the nucleus to be infinite.) -e A particle of charge equal to that of an electron and mass [...]
Two bodies of mass 4 kg and 6 kg are attached to the ends of a string passing over a pulley . The 4 kg mass is attached to the table top by another string.The tension in this string T1 is equal to
11
Sep
Two bodies of mass 4 kg and 6 kg are attached to the ends of a string passing over a pulley . The 4 kg mass is attached to the table top by another string.The tension in this string T1 is equal to Two bodies of mass 4 kg and 6 kg are attached to [...]