A circular disc of mass M and radius R is rotating about its axis with angular speed ω1 . If another stationary disc having radius R/2 and same mass M is droped co-axially on to the rotating disc. Gradually both discs attain constant angular speed ω2. The energy lost in the process is p% of the initial energy. Value of p is

Q: A ring (mass 2 M, radius 2 R) rotates in a CCW direction with an initial angular speed 1 ω. A disk…

A:

Q: A fan has four blades attached to a central shaft. The blades are If = 15 cm long and each blade…

A:

Q: Momentum, P = (2.0 kg m/sec)î – (7.0 kg m/sec)ĵ acts on a particle with position vector 7 = (3. 0…

A: Angular momentum: The angular momentum is the cross-product of the position vector to the particle…

Q: A uniform disk of mass 7 kg and radius 0.2 m is free to rotated about an axis perpendicular to its…

A: Given: The mass of the uniform disk is 7 kg. The radius of the uniform disk is 0.2 m. The magnitude…

Q: A 30 g block sits at the center of a turntable that rotates at 65 rpm. A compressed spring shoots…

A:

Q: The figure shows a rigid assembly of a thin hoop (of mass m = 0.14 kg and radius R = 0.19 m) and a…

A:

Q: Question 10: A spherical shell of mass M and radius R rolls with slipping down an incline of length…

A:

Q: A ring (mass 2 M, radius 2 R) rotates in a CCW direction with an initial angular speed 1 ω. A disk…

A:

Q: A thin 10.0 kg bar of 2.0 m length is set rotating about its center.  It completes a rotation every…

A: givenMass of bar, m=10 kgLength of bar, L=2 mTime taken to complete rotation, t=2 s

Q: given by r = ľ,e" . The angular mome: nergy functions v(r),

A: Given as, r=r0 ekθ It is given as E=0 and known that, E= kinetic + effective potential energy E=12…

Q: Some European trucks run on energy stored in a rotating flywheel, with an electric motor getting the…

A: The moment of inertia of the wheel,

Q: A thin rod of length 0.926 m and mass 174 g is suspended freely from one end. It is pulled to one…

A:

Q: A uniform, thin, spherical shell of radius, R, and mass, m, is rolling without slipping or sliding…

A: Given:  Mass of spherical shell = m Radius of spherical shell = R Velocity of center of mass of…

Q: The figure shows a rigid assembly of a thin hoop (of mass m = 0.30 kg and radius R = 0.17 m) and a…

A: Given :Mass of hoop, mh=0.30 kgRadius of hoop, R=0.17 mMass of rod, mr=0.30 kgLength of the rod,…

Q: A merry-go-round rotates around the vertical axis or rotation has no friction, its moment of inertia…

A:

Q: A thin rod of length 1.3 m and mass 190 g is suspended freely from one end. It is pulled to one side…

A:

Q: 3.00 kg 2.00 kg 6.00 m 2.00 kg( 4.00 kg -4.00 m→|

A:

Q: A block of mass m is moving with speed v along a horizontal surface when it collides with a uniform…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: A potter's wheel is rotating around a vertical axis through its center at a frequency of 2.0 rev/s.…

A: We'll conserve angular momentum before and after

Q: Some European trucks run on energy stored in a rotating flywheel, with an electric motor getting the…

A: The kinetic energy of a rotating object is given by the equation K=12Iω2I is the moment of inertia…

Q: Problem 6: A bus contains a 1440 kg flywheel (a disk that has a 0.59 m radius) and has a total mass…

A:

Q: The figure shows a rigid assembly of a thin hoop (of mass m = 0.24 kg and radius R = 0.16 m) and a…

A: According to this law, the total energy of a system remains constant. Mathematically, Ef=Ei…

Q: A circular disc of mass M and radius R is rotating about its axis with angular speed ω1 . If another…

A:

Q: about a fixed axis at A. The rotational inertia of the rod alone about A is 0.0814 kg-m“. Treat the…

A:

Q: A 4.20 kg cylindrical rod of length 2.00 m is suspended from a horizontal bar so it is free to swing…

A:

Q: Momentum, P = (2.0 kg m/sec)î – (7.0 kg m/sec)ĵ acts on a particle with position vector 7 = (3.0 m)î…

A: Given data: The momentum is, p→=2 Kg.m/Seci^ -7 Kg.m/Secj^ The position vector is, r→=3.0 mi^ - 1.0…

Q: In (Figure 1), take m₁ = 3.2 kg and mp = 4.6 kg. Figure Part A Determine the z component of the…

A: Given Data: Mass A (mA) = 3.2 kg.Mass B (mB) = 4.6 kg. To Determine: Part A: The z-component of…

Q: What is the angular momentum of the disk after those rotations are complete, in kg m2/s?

A: Moment of Inertia The moment of inertia of a rigid body about an axis is defined as the sum of the…

Q: The mass of an electron is 9.0 x 10-31 kg. It revolves around the    nucleus of an atom in a…

A:

Q: A smooth rod of mass M, length L= 1 (m), is rotated at one end with a constant angular velocity w =…

A: Answer = ( Option D ( 0.24 )

Q: In an experiment, it is necessary to calculate the angular moment of a disk with an M-mass R radius…

A: Let L be defined as the angular momentum of the disk. Then, Here, M is the mass of the disk. ω is…

Q: In the figure, three 0.10 kg particles have been glued to a rod of length L = 11 cm and negligible…

A:

Q: A solid disk rotates in the horizontal plane at an angular velocity of 0.042 rad/s with respect to…

A: Given, a solid disk rotates in the horizontal plane at an angular velocity of ωi=0.042 rad/s with…

Q: A table is composed of a normal area and a sticky area. A disc has thickness d, radius R and made of…

A: The given problem is related to the work-energy theorem. Given the thickness is d, the radius is R,…

Q: A solid sphere with mass m and radius a starts moving from point A above the resident hemisphere to…

A: First we have to find angle at which small sphere will let off the hemisphere. The free body diagram…

Q: circular disc of mass M and radius R is rotating about its axis with angular speed ω1 . If another…

A:

Q: glass

A: Mass = volume ×density