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Subject: Physics, asked on 14/10/16

A block of mass m is placed on an inclined plane having coefficient of friction "mew". The plane is making an angle "theta" with horizontal . The maXIMUM VALUE OF FRICTIONAL Force that can act on the block is ?

Subject: Physics, asked on 20/7/15

Ratio of inertial mass to gravitational mass is-

(a) 1:2 (b) 1:1
(c) 2:1(d) No fixed number

Subject: Physics, asked on 28/8/14

wat is angle of repose and angle of friction

Subject: Physics, asked on 7/6/14

the angle of inclination for my question is 60 degree

Subject: Physics, asked on 3/6/14

A BLOCK OF MASS 6 KG IS KEPT ON A INCLINED PLANE CALCULATE THE FORCR F TO KEEP THE BLOCK STATIONARY

Us=0.6(mu)Uk=0.4(mu)

Subject: Physics, asked on 20/9/16

A PARTICLE IS MOVING ALONG A CIRCULAR PATH OF RADIUS R IN SUCH A WAY THAT AT ANY INSTANT MAGNITUDE OF RADIAL ACCELERATION AND TANGENTIAL ACCELERATION ARE EQUAL. IF t=0 VELOCITY OF PARTICLE IS Vo.THEN FIND THE TIME PERIOD OF FIRST REVOLUTION OF THE PARTICLE?

Subject: Physics, asked on 13/9/16

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Subject: Physics, asked on 13/9/16

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Subject: Physics, asked on 13/9/16

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A.b
Subject: Physics, asked on 5/9/16

If a ball is dropped from a height h in a stationary elevator it takes time t to reach the floor of the elevator. If the ball is dropped from height h in an elevator moving with uniform velocity upwards, it takes time t2 to reach the floor. Is t=t2. Can you prove this?

Subject: Physics, asked on 5/9/16

Your are designing an elevator in a hospital. The force exerted on passenger by the floor of the elevator is not to exceed 1.6 times the passenger’s weight. the elevator accelerates upwards with constant acceleration for a distance of 3 meters and then starts to slow down. What is the max. speed (in mt./sec) of the elevator ?

Subject: Physics, asked on 4/9/16

If centripetal and centrifugal force make an action reaction pair then in case of the earth revolving around the sun, on what bodies do the two forces act?

centripetal force acts on the earth as gravity from the sun... But where does the centrifugal force act???

Subject: Physics, asked on 4/9/16

A particle moves from x=0 to x=4 under the action of a force F=5-3x+2x​2 what is the work done by the force? ans is given as 38.66J. But how??? Is f here a function of the position? I'm a bit confused.....

Subject: Physics, asked on 19/7/17

THIN rod of length 1 metre is fixed in vertical position inside a train , which is moving horizontally with a constant acceleration 4 metre per second square A BEAD can slide on the roD and the friction Coefficient between them is one by two if the bEAD is released from rest at the top of the roD find the time when it will reach at the BOTTOM

Subject: Physics, asked on 4/9/16

A block is kept on smooth inclined plane of angle of inclination 30 degree that moves with a constant acceleration so that the blog does not slide relative to the incline plane let F1 be the contact force between the block and the plane now the inclined plane stop and let F2 be the contact force between the two in this case. then f/f2 is

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