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A disc is freely rotating with an angular speed ω on a smooth horizontal plane. If it is hooked at a rigid pace P and rotates without bouncing about a point on its circumference. Its angular speed after the impact will be equal to.
29
Sep
A disc is freely rotating with an angular speed ω on a smooth horizontal plane. If it is hooked at a rigid pace P and rotates without bouncing about a point on its circumference. Its angular speed after the impact will be equal to. A Disc of mass m and radius R moves in the [...]
A uniform sphere of mass m radius r and moment of inertia I about its centre moves along the x-axis as shown in Fig Its centre of mass moves with velocity =v0, and it rotates about its centre of mass with angular velocity =ω0. Let L→ = ( Iω0+mv0r )(−k). The angular momentum of the body about the origin O is
29
Sep
A uniform sphere of mass m radius r and moment of inertia I about its centre moves along the x-axis as shown in Fig Its centre of mass moves with velocity =v0, and it rotates about its centre of mass with angular velocity =ω0. Let L→ = ( Iω0+mv0r )(−k). The angular momentum of the [...]
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A uniform sphere of mass m radius r and moment of inertia I about its centre moves along the x-axis as shown in Fig Its centre of mass moves with velocity =v0 ,
and it rotates about its centre of mass with angular velocity =ω0. Let L→ = ( Iω0+mv0r )(−k). The angular momentum of the body about the origin O is ,
With what force F a man pull on a rope in order to support the platform on which he stands, if the mass of man is 60 kg and that at platform is 20 kg. With what force N does the man
29
Sep
With what force F a man pull on a rope in order to support the platform on which he stands, if the mass of man is 60 kg and that at platform is 20 kg. With what force N does the man if the mass of man is 60 kg and that at platform is [...]
A Disc of mass m and radius R moves in the x-y plane as shown in figure. The angular momentum of the disc about the origin O at the instant shown is
29
Sep
A Disc of mass m and radius R moves in the x-y plane as shown in figure. The angular momentum of the disc about the origin O at the instant shown is A Disc of mass m and radius R moves in the x-y plane as shown in figure. The angular momentum of the disc [...]
Two men of masses M and M + m start simultaneously from the ground and climb with uniform accelerations up from the free ends of a massless inextensible rope which passes over a smooth pulley
29
Sep
Two men of masses M and M + m start simultaneously from the ground and climb with uniform accelerations up from the free ends of a massless inextensible rope which passes over a smooth pulley Two men of masses M and M + m start simultaneously from the ground and climb with uniform accelerations up [...]
A force F acts tangentially at the higest point of a disc of mass m kept on a rough horizontal plane. If the disc rolls without slipping, the acceleration of centre of the disc is
29
Sep
A force F acts tangentially at the higest point of a disc of mass m kept on a rough horizontal plane. If the disc rolls without slipping, the acceleration of centre of the disc is A force F acts tangentially at the higest point of a disc of mass m kept on a rough horizontal [...]
A student tries to raise a chain consisting of three identical links. Each link has a mass of 300 g. The three-piece chain is connected to a string and then suspended vertically, with the student
29
Sep
A student tries to raise a chain consisting of three identical links. Each link has a mass of 300 g. The three-piece chain is connected to a string and then suspended vertically, with the student A student tries to raise a chain consisting of three identical links. Each link has a mass of 300 g. [...]
A hot-air balloon consists of a basket, one passenger, and some cargo. Let the total mass be M. Even though there is an upward lift force on the balloon, the balloon is initially acceleration downwards at a rate
29
Sep
A hot-air balloon consists of a basket, one passenger, and some cargo. Let the total mass be M. Even though there is an upward lift force on the balloon, the balloon is initially acceleration downwards at a rate A hot-air balloon consists of a basket and some cargo. Let the total mass be M. Even [...]
Two discs, each having moment of inertia 5 kg m^2. about its central axis, rotating with speeds 10 rad/s and 20 rad/s, are brought in contact face to face with their axes of rotation coincided. The loss of kinetic energy in the process is
29
Sep
Two discs, each having moment of inertia 5 kg m^2. about its central axis, rotating with speeds 10 rad/s and 20 rad/s, are brought in contact face to face with their axes of rotation coincided. The loss of kinetic energy in the process is are brought in contact face to face with their axes of [...]
Two blocks of masses m1 and m2 are in equilibrium. The block m2 hangs from a fixed smooth pulley by an inextensible string that is fitted with a light spring of stiffness k as shown in Fig.6.239.
29
Sep
Two blocks of masses m1 and m2 are in equilibrium. The block m2 hangs from a fixed smooth pulley by an inextensible string that is fitted with a light spring of stiffness k as shown in Fig.6.239. Two blocks of masses m1 and m2 are in equilibrium. The block m2 hangs from a fixed smooth [...]