The moment of inertia of a 0.98-kg bicycle wheel rotating aboutits center is 0.13 kg # m2. What is the radius of this wheel, assuming the weight of the spokes can be ignored?

Q: What principle describes why a person spins faster with his/her arms in than with his/her arms…

A: a person spins faster with his/her arms in than with his/her arms extended due to the principle of :…

Q: A motor turns the spool of radius R = 1.0 m to lift the block of mass m = 25 kg. If the spool has…

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Q: A 50-N · m torque acts on a wheel with a moment of inertia 150 kg · m². If the wheel starts from…

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Q: Calculate the moment of inertia of a 10 kg rod that has a length of 4m with an axis of rotation…

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Q: A man is pulling himself up to a pulley that consists of two disks welded together as shown. The man…

A: Consider the free-body diagram of the pulley and the man as follows.

Q: wrapped around the pulley and attached to a block of mass m. What is the magnitude of the angular…

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Q: A ceiling fan is turned on and a net torque of 2.9 N*m applied to the blades. The blades have a…

A: Net torque   τ = 2.9 N·mmoment of inertia I= 0.56 kg·m2

Q: Two wheels A and B in the figure are connected by a belt that does not slip. The radius of B is 3.43…

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Q: Determine the moment of inertia of a 7.50 kg sphere of radius 0.451 m when the axis of rotation is…

A: Given data:  A sphere  Mass (m) = 7.50 kg Radius (r) = 0.451 m Required: Moment of inertia about…

Q: A heavy turntable, used for rotating large objects, is a solid cylindrical wheel that can rotate…

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Q: Arrange the following in order of increasing moment of inertia if they all have the same mass and…

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Q: The moment of inertia of a uniform rod about an axis through its center is ML2/12. The moment of…

A: Moment of Inertia: The measure of resistance to the change in the rate of rotation of a body is…

Q: An old grindstone, used for sharpening tools, is a solid cylindrical wheel that can rotate about its…

A: The radius of the wheel is r = 0.330 m. The tangential force F = 300 N. The angular acceleration α =…

Q: The blades of a ceiling fan have a moment of inertia of 0.16 kg.m2 and an angular acceleration of…

A: Given data, moment of inertia of the blades = 0.16 kg.m2 angular acceleration = 7.0 rad/s2

Q: A blade with a 0.25 m radius starts from rest and rotates with an acceration 0f 0.25 rad/s2. What is…

A: The angular distance travelled is given by, Δθ=ω0t+12αt2 Here, ω0 is the initial angular speed, t is…

Q: The moment of inertia of a uniform rod (about its center) is given by /= ML2/12. What is the kinetic…

A: Given: The mass of the rod is 450 g = 0.45 kg.                                      {  1 g = 0.001…

Q: The moment of inertia of a 0.912-kg bicycle wheel rotating about its center is 0.165 kg m2. What is…

A: Moment of inertia of ring is,

Q: A 175-N x m torque is applied to a disk with a moment of inertia 66 kg x m. If the disk starts from…

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Q: 3) Four point masses of 1.5 kg each are arranged in a square on massless rods. The length of a side…

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Q: 4. A 3 kg uniform hoop has a radius of 2 m. What is the moment of inertia around an axis at the…

A: If any object is under rotation, moment of inertia is associated with it and denoted by the symbol…

Q: Two wheels of moment of inertia 8.9 kg.m2 and 5.0 kg.m2 are set in rotation with angular speed 2.7…

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Q: A wheel (J )of radius IS tangentially (l) by two forces: F, = 100 N and F2 = 200 N as shown in the…

A: Given  The moment of inertia about the center is  I = 15 kg m²  Radius of the wheel = R = 1 m…

Q: A 14-cm diameter CD has a mass of 22 g . What is the CD's moment of inertia for rotation about…

A: Given data:  Diameter (D) = 14 cm Mass (m) = 22 g = 0.022 kg Required: Moment of inertia for…

Q: A disk of masS m =1 kg and radlus r= 20 cm is rotating in counterdockwise direction with a constant…

A: mass, m = 1 kg  radius, r = 20 cm = 0.2 m  initial angular speed, wo = 20 rad/s  final angular…

Q: Two wheels A and B in the figure are connected by a belt that does not slip. The radius of B is 2.19…

A: Linear speed is the product of angular speed and radius. It is given that the linear speed of the…

Q: A solid sphere with a radius of 0.38 and a mass 0.29 is set to rotate about its center. After a time…

A: Rotational Kinetic energy, Angular acceleration,

Q: A 37.0 kg person rides the outer edge of a merry-go-round, 1.40 m from the axis. Suppose the m-g-r…

A: We need to use the law of conservation of momentum here. Initially, the inertia would be the sum of…

Q: A ring pulley has a mass of 500 g, an inner radius of 5 cm and an outer radius of 10 cm. What is its…

A: Mass, m = 500 g = 0.5 kg Inner radius, r = 5 cm = 0.05 m Outer radius, R = 10 cm = 0.1 m Moment of…

Q: Two wheels A and B in the figure are connected by a belt that does not slip. The radius of B is 2.53…

A: Given:  rB = 2.53 rA We have to find IAIB for a) same angular momentum and b) same rotational…

Q: Hi I am in phyiscs I, they have the problem an athlete at the gym holds a 2.5 kg steel ball in his…

A: Given,

Q: Two wheels A and B in the figure are connected by a belt that does not slip. The radius of B is 6.26…

A: Given data: The relation between radius of A and B is, rB=6.26rA

Q: A helicopter has two blades (see Figure 8.14), each of which has a mass of 240 kg and can be…

A: Given length of the blade R1=R2=R =7.6 m Mass of each blade M1=M2=M M=240kg

Q: If an object has a moment of inertia 37 kg-m2 and the magnitude of its rotational angular momentum…

A: The expression for the rotational kinetic energy is Krot=12Iω2 here, K is the rotational kinetic…

Q: A stick of mass 15.1 kg and length 3.4 m is pinned at its center but is free to rotate (the moment…

A: Given data: Mass of the stick, M=15.1 kg Length of the stick, L=3.4 m Mass at one end of the stick,…

Q: • When a ceiling fan rotating with an angular speed of 3.66 rad>sis turned off, a frictional…

A: The angular speed of fan (w) = 3.66 rad/s = 3 66 × 9.5492) rpm The Torque acting on the fan (T) =…

Q: Two wheels A and B in the figure are connected by a belt that does not slip. The radius of B is 6.03…

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Q: torque of 100 Nm rotates the flywheel 200 rad in 10s starting from rest. What is the moment of…

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Q: The figure above shows two barbells, which can be modeled as two point masses connected by a…

A: Given : L = 0.77 m Mass m = 20.1 kg Moment of inertia of barebells is given by  I=m1m2m1+m2L2…

Q: A disc has a moment of inertia of 60 kg m² when rotating at an angular speec 30 rad/s. How much…

A: Given data: Moment of inertia I=60 kg.m2 Angular speed ω=30 rad/s Time t=25s

Q: When a ceiling fan rotating with an angular velocity of 3.60 rad/s is turned off, a frictional…

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Q: A torque of 4.93 Nm is applied to an object with a moment of inertia of 6.15 kg m^2. What is the…

A: Answer:-  Given  Torque (T) = 4.93 Nm  Moment of inertia(I) = 6.15 kg m2 Angular acceleration = ?…

Q: What is the moment of inertia of an object that rolls without slipping down a 2.00-m-high incline…

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Q: Two wheels A and B in the figure are connected by a belt that does not slip. The radius of B is 3.32…

A: Write the expression for the velocity as given below. v=rω Here, v is the velocity, r is the radius,…