Cengage JEE Mains Physics by B.M Sharma
An object of mass 10 kg is launched from from the top of building at t=0 , at an angle of 37 degrees above the horizontal with a speed of 30 m/s . After some time , an explosion splits the projectile into two pieces . one piece of mass 4 kg is observed at ( 105 , 43 ) meters at t=2 secs . find the location of second piece at t=2 secs
27
Nov
An object of mass 10 kg is launched from from the top of building at t=0 , at an angle of 37 degrees above the horizontal with a speed of 30 m/s . After some time , an explosion splits the projectile into two pieces . one piece of mass 4 kg is observed at [...]
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43 ) meters at t=2 secs . find the location of second piece at t=2 secs ,
an explosion splits the projectile into two pieces . one piece of mass 4 kg is observed at ( 105 ,
An object of mass 10 kg is launched from from the top of building at t=0 ,
at an angle of 37 degrees above the horizontal with a speed of 30 m/s . After some time ,
After a totally inelastic collision, two objects of the same mass and same initial speeds are found to move together at half of their initial speeds. The angle between the initial velocities of the objects is
27
Nov
After a totally inelastic collision, two objects of the same mass and same initial speeds are found to move together at half of their initial speeds. The angle between the initial velocities of the objects is After a totally inelastic collision two objects of the same mass and same initial speeds are found to move [...]
A circular plate of uniform thickness has a diameter of 28 cm. A circular portion of diameter 21 cm is removed from the plate as shown. Origin is the center of mass of complete plate. The position of center of remaining portion will shift toward left from origin by
27
Nov
A circular plate of uniform thickness has a diameter of 28 cm. A circular portion of diameter 21 cm is removed from the plate as shown. Origin is the center of mass of complete plate. The position of center of remaining portion will shift toward left from origin by A man places a chain of [...]
A man places a chain of mass ′m′ and length ′l′ on a table slowly. Initially, the lower end of the chain just touches the table. The man drops the chain when half of the chain is in the vertical position. Then work done by the man in this process is?
27
Nov
A man places a chain of mass ′m′ and length ′l′ on a table slowly. Initially, the lower end of the chain just touches the table. The man drops the chain when half of the chain is in the vertical position. Then work done by the man in this process is? A man places a [...]
A particle of mass m moves along a circular path of radius r with a centripetal acceleration an changing with time t as an=kt2, where k is a positive constant. The average power developed by all the forces acting on the particle during the first t0 seconds is.
27
Nov
A particle of mass m moves along a circular path of radius r with a centripetal acceleration an changing with time t as an=kt2, where k is a positive constant. The average power developed by all the forces acting on the particle during the first t0 seconds is. A particle of mass m moves along [...]
If the acceleration of wedge in the shown arrangement is a ms−2 towards left, then at this instant, acceleration of the block (magnitude only) would be
27
Nov
If the acceleration of wedge in the shown arrangement is a ms−2 towards left, then at this instant, acceleration of the block (magnitude only) would be acceleration of the block (magnitude only) would be If the acceleration of wedge in the shown arrangement is a ms−2 towards left then at this instant November 27, 2020 [...]
in the arrangement shown in fig.4.191 at a particular instant.the roller is coming down with a speed of 12ms-1 and C is moving up with 4ms-1.as the same instant it is also known that w.r.t pulley p block A IS MOVING down with speed 3ms-1 determine the motion of block b (velocity)w.r.t ground
27
Nov
in the arrangement shown in fig.4.191 at a particular instant.the roller is coming down with a speed of 12ms-1 and C is moving up with 4ms-1.as the same instant it is also known that w.r.t pulley p block A IS MOVING down with speed 3ms-1 determine the motion of block b (velocity)w.r.t ground A uniform [...]
For the pulley system shown in Fig4.181 each of the cables at A and B is given a velocity of 2ms−1 in the direction of the arrow. Determine the upward velocity v of the load m.
27
Nov
For the pulley system shown in Fig4.181 each of the cables at A and B is given a velocity of 2ms−1 in the direction of the arrow. Determine the upward velocity v of the load m. For the pulley system shown in Fig4.181 each of the cables at A and B is given a velocity [...]
As shown in fig, if acceleration of M with respect to ground is 2ms−2 , then
27
Nov
As shown in fig, if acceleration of M with respect to ground is 2ms−2 , then as shown in fig. if acceleration of M with respect to ground is 2ms−2 then November 27, 2020 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter 5 - Newton's Laws of Motion (Without Friction) , Chapter 6 [...]
Blocks A and C start from rest and move to the right with acceleration A=12t ms−2 and Ac=3ms−2. Here t is in seconds. The time when block B again comes to rest is
27
Nov
Blocks A and C start from rest and move to the right with acceleration A=12t ms−2 and Ac=3ms−2. Here t is in seconds. The time when block B again comes to rest is Blocks A and C start from rest and move to the right with acceleration A=12t ms−2 and Ac=3ms−2. Here t is in [...]