A person moves 30 m north and then 20 m towards east and finally 30âˆš2 m in south-west direction. The displacement of the pers..
A bullet emerges from a barrel of lenth 1.2 m with a speed of 640ms-1.
A particle moves for 20 seconds with velocity 3m/s and then velocity 4m/s for another 20 seconds and finally moves with velocity 5..
The displacement-time graph for two particles A and B are straight lines inclined at angles of 30Â° and 60Â° with the time axi..
A graph is down between velocity and time for the motion of a particle.
A particle moves along a semicircle of radius 10m in 5 seconds
An athlete completes one round of a circular track of radius R in 40 sec. What will be his displacement at the end of 2 min. 20 se..
The three initial and final position of a man on the X - axis are given as
Which of the following is a one dimensional motion
A string of negligible mass going over a clamped pulley of mass m supports a block of mass M as shown in the figure. The force on ..
A cyclist starts from the centre O of a circular park of radius one kilometre,reaches the edge P of the park, then cycles along th..
A student unable to answer a question on Newtons laws of motion attempts to pull himself up by tugging on his hair. He will not su..
A wire, which passes through the hole in a small bead, is bent in the form of quarter of a circle. The wire is fixed vertically on..
A person is sitting in a lift accelerating upwards. Measured weight of person will be
A man of weight mg is moving up in a rocket with acceleration 4g. The apparent weight of the man in the rocket is
A ball of mass (m) 0.5 kg is attached to the end of a string having length (L) 0.5 m. The ball is rotated on a horizontal circular..
In the arrangement shown in the Fig, the ends P and Q of an unstretchable string move downwards with uniform speed U. Pulleys A an..
A block of mass m is resting on a smooth horizontal surface. One end of a uniform rope of mass m 3 is fixed to the block, which is..
A body of mass 4 kg is accelerated up by a constant force, travels a distance of 5 m in the first second and a distance of 2 m in ..
Three forces start acting simultaneously on a particle moving with velocity v .These forces are represented in magnitude and direc..
Physical independence of force is a consequence of
A particale is constrained to move on a straight line path
A block P of mass m is placed on a horizontal frictionless plane. A second block of same mass m is placed on it and is connected t..
A man walks on a straight road from his home to a market
a Ball of mass 0.2 kg is thrown vertically upward by applying
A mass of 10 kg is suspended from a spring balance. It is pulled aside by a horizontal string so that it makes an angle of 60Â° ..
A body of mass 8 kg is suspended through two light springs X and Y connected in series as shown in figure. The readings is X and Y..
A cricket ball of mass 0.25 kg with speed 10 m/s collides with a bat and returns with same speed with in 0.01s. The force acted on..
An aeroplane flies 400m north and 300m south and then flies 1200m upwards then net displacement is
The displacement of a body along x-axis depeneds on time as âˆšx = t+1. Then the velocity of body
a particle of mass 0.3 kg is subjected to a force
the minimum velocity (in m/s) with which a car driver must
Two boys are standing at the ends A and B of a ground where AB =a.
A stationary bomb explodes into three pieces. One piece of 2 kg mass moves with a velocity of 8ms^-1 at right angles to the other ..
A shell of mass 10 kg is moving with a velocity of 10 ms^-1 when it blasts and forms two parts of mass 9 kg and 1 kg respectively...
a lift is moving down with acceleration a. A man in the lift
A hockey player receives a corner shot at a speed of 15 ms^-1 at an angle of 30Â° with the y â€“ axis and then shoots the b..
a rocket with a lift - off mass
If the resultant of all the external forces acting on a system of particles is zero, then from an inertial frame, one can surely s..
A particle of mass 0.3 kg subiect to a force F
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