MTG NEET Physics
A fly Wheel is a uniform disc of mass 72 kg and 50 cm When it is rotating at the rate of 70r.p.m its kinetic energy is
30
Oct
A fly Wheel is a uniform disc of mass 72 kg and 50 cm When it is rotating at the rate of 70r.p.m its kinetic energy is A fly Wheel is a uniform disc of mass 72 kg and 50 cm When it is rotating at the rate of 70r.p.m its kinetic energy is October [...]
A solid sphere of mass M and radius R rotates about an axis passing through its centre making 600 rpm. Its kinetic energy of rotation is
30
Oct
A solid sphere of mass M and radius R rotates about an axis passing through its centre making 600 rpm. Its kinetic energy of rotation is A solid sphere of mass M and radius R rotates about an axis passing through its centre making 600 rpm. Its kinetic energy of rotation is October 30, 2020 [...]
A coin of mass m and radius r, having moment of inertia l about the axis passing through its centre and perpendicular to its plane, is beaten uniformly to from a disc of radius 2r. What will be the moment of inertia about the same axis ?
30
Oct
A coin of mass m and radius r, having moment of inertia l about the axis passing through its centre and perpendicular to its plane, is beaten uniformly to from a disc of radius 2r. What will be the moment of inertia about the same axis ? A coin of mass m and radius r [...]
One solid sphere A and another hollow sphere B are of same mass and same outer radii. Their moment of inertia about their diameters are respectively IA and IB such that where dA and dB are their densities.
30
Oct
One solid sphere A and another hollow sphere B are of same mass and same outer radii. Their moment of inertia about their diameters are respectively IA and IB such that where dA and dB are their densities. 1) is: A force of -F k acts on O the origin of the coordinate system. The [...]
The moment of inertia of a body about a given axis is 1.2kgm^2. Initially, the body is at rest. In order to produce a rotational KE of 6000j, for how much duration, an acceleration of 25rads^−2 must be applied about that axis for a duration of ?
30
Oct
The moment of inertia of a body about a given axis is 1.2kgm^2. Initially, the body is at rest. In order to produce a rotational KE of 6000j, for how much duration, an acceleration of 25rads^−2 must be applied about that axis for a duration of ? an acceleration of 25rads^−2 must be applied about [...]
Two discs one of density 7.2g/cm^3 and the other of density 8.9g/cm^3 are of same mass and thickness. Their moments of inertia are in the ratio
30
Oct
Two discs one of density 7.2g/cm^3 and the other of density 8.9g/cm^3 are of same mass and thickness. Their moments of inertia are in the ratio Two discs one of density 7.2g/cm^3 and the other of density 8.9g/cm^3 are of same mass and thickness. Their moments of inertia are in the ratio October 30, 2020 [...]
A thin wire of length l and mass m is bent in the form of a semicircle as shown in the figure. Its moment of inertia about an axis joining its free ends will be
30
Oct
A thin wire of length l and mass m is bent in the form of a semicircle as shown in the figure. Its moment of inertia about an axis joining its free ends will be A thin wire of length l and mass m is bent in the form of a semicircle as shown in [...]
A circular disc X of radius R is made from an iron plate of thickness t, and another plate Y of radius 4R is made from an iron plate of thickness t/4. The ratio between moment of inertia IY/IX is
30
Oct
A circular disc X of radius R is made from an iron plate of thickness t, and another plate Y of radius 4R is made from an iron plate of thickness t/4. The ratio between moment of inertia IY/IX is A circular disc X of radius R is made from an iron plate of thickness [...]
The radius of gyration of a uniform rod of length l about an axis passing through its centre of mass is
30
Oct
The radius of gyration of a uniform rod of length l about an axis passing through its centre of mass is The radius of gyration of a uniform rod of length l about an axis passing through its centre of mass is October 30, 2020 Category: Chapter 9 - Rotation , MTG NEET Physics , [...]
Four point masses, each of value m, are placed at the corners of a square ABCD of side l. The moment of inertia of this system about an axis through A and parallel to BD is :
30
Oct
Four point masses, each of value m, are placed at the corners of a square ABCD of side l. The moment of inertia of this system about an axis through A and parallel to BD is : are placed at the corners of a square ABCD of side l. The moment of inertia of this [...]