A 870 kg car has four 14 kg wheels. When the car is moving, what fraction (K rotational /K total) of its total kinetic energy is due to rotation of the wheels about their axles? Assume that the wheels have the same rotational inertia as uniform disks of the same mass and size

Q: Two wheels of moment of inertia 2.0 kg m and 1.0 kg.m are set in rotation with angular speed 6.4…

A:

Q: The device shown in the figure below consists of a thin rod of length { = 22.8 cm and mass m = 1.20…

A:

Q: Two disks are mounted (like a merry-go-round) on lowfriction bearings on the same axle and can be…

A: Conservation of angular momentum

Q: Two wheels of moment of inertia 4.4 kg.m² and 4.4 kg.m² are set in rotation with angular speed 4.5…

A: The situation provided in the question reassembles the condition of inelastic collision. Thus, apply…

Q: Problem 9: The rotational inertia of a collapsing spinning star drops from an initial value I= 9 x…

A:

Q: In the figure below, two particles, each with mass m = 0.88 kg, are fastened to each other, and to a…

A: the figure below, two particles, each with mass m = 0.88 kg, are fastened to each other, and to a…

Q: Two wheels of moment of inertia 4.2 kg.m? and 3.6 kg.m2 are set in rotation with angular speed 2.1…

A:

Q: consists of four boxes modeled as particles connected by very lightweight, stiff rods (see figure…

A: Givenm=7 kgr1=48 cmr2=24 cmr3=19 cmr4=38 cm

Q: A disc with a radius of 0.62 m and mass 4 kg is fixed to rotate about its center. Three forces act…

A: Given, Radius of disk r = 0.62 m Mass of disk m = 4 Kg Rotational kinetic energy is KE = 672 F1 =…

Q: A 2.0-kg solid cylinder 1radius = 0.10 m, length = 0.50 m2 isreleased from rest at the top of a ramp…

A: Given, Mass of the cylinder, m = 2.0-kg The radius of the cylinder, r = 0.10 m The length of the…

Q: In the figure below, two particles, each with mass m 0.85kg, are fastened to each other, and to a…

A: The particles are treated "point-like" which shows their rotational inertia, and the rotational…

Q: 13. Rigid rods of negligible mass lying along the y-axis connect three particles. The system rotates…

A:

Q: In the figure, two particles, each with mass m = 0.78 kg, are fastened to each other, and to a…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: disk-shaped motor component is running with angular velocity ω0=16.26 rad/s around its axis of…

A:

Q: Y 5.9 cm 16.9 kg 90° 1.46 kg pivot K 31.3 cm→ 1.46 kg

A: Given, L = 0.313 m m = 1.46 kg M = 16.9 kg R = 0.0295 m We know that, Moment of inertia of the rod:…

Q: In the figure below, a small disk of radiusr = 2.00 cm has been glued to the edge of a larger disk…

A:

Q: a skater rotating at 7.25 rad/s with her arms extended has rotational inertia of 3.4 kg m square. if…

A:

Q: A turntable is a uniform disc of mass 1.2 kg and radius 1.3 x 10-1 m. The turntable is spinning at a…

A: Dear student, "Since you have posted a question with multiple sub-parts, we will solve first three…

Q: 0.5 m 2 N 28. A disk with radius of 0.5 m is free to rotate around its center without friction. A…

A: Given:    let m → be mass of disk.    Radius (R) = 0.5m     Force (F) = 2N    Torque produced about…

Q: The object shown in the figure below consists of a thin rod of length { = 22.1 cm and mass m = 1.20…

A: Given that  m=1.2 kgM=2 kgd=10 cm=0.1 ml=22.1 cm=0.221 m

Q: The assembly shown in the figure below consists of a thin rod of length { = 22.2 cm and mass m =…

A:

Q: The assembly shown in the figure below consists of a thin rod of length e = 23.2 cm and mass m =…

A: Given, Mass of the thin rod, m = 1.20 kg Length of the thin rod, l = 23.2 cm = 0.232 m Mass of the…

Q: A merry-go-round rotates at the rate of 0.17 rev/s with an 90 kg man standing at a point 2.9 m from…

A: Given: initial angular speed  wi = 0.17 rev/smass of man   m = 90kginitial distance from center axis…

Q: In the figure. two particles. each with mass m 0.95 kg. are fastened to each other, and to a…

A: Given,mass of the each particle, m = 0.95 kglength of the rod, d = 5.8 cmmass of the rod, M = 1.0…

Q: The rigid object shown below consists of three balls and three connecting rods, with M 1.6 kg, L 0.6…

A: The rotational kinetic energy of a rotating rigid body or system of particles is represents by…

Q: During a jump to his partner, an aerialist is to make a quadruple somersault lasting a time t = 1.51…

A: Given that the value of time and rotational inertia I 1 and rotational inertia I2.Then We  have to…

Q: The solid spherical Earth has a mass M=6.0x1024 kg, a radius R=6.37x106 m, and orbits the Sun at a…

A:

Q: Three identical balls, with masses of M, 2M, and 3M, are fastened to a massless rod of length L as…

A:

Q: A solid disk with rotational moment of inertia of 14.1 kg m2 starts from rest and accelerates under…

A: Moment of inertia (I) = 14.1 kg-m2Initial speed = 0 mstorque (T) = 2.87 N.m time (t) = 6.13s

Q: CM — 43 сm- 31 сm

A:

Q: Two disks are mounted (like a merry-go-round) on low-friction bearings on the same axle and can be…

A: Given: Ist disc rotational inertia I1 = 2.50 kg.m2 Spinning counterclockwise ω1 = 300 revmin 2nd…

Q: A flywheel is a mechanical device used to store rotational kinetic energy for later use. Consider a…

A: Given information: Here, m1 and m2 are the mass of the first and the second flywheel respectively,…

Q: What must be the radius (in cm) of a disk of mass 17 kg, so that it has the same rotational inertia…

A: Given data: Mass of disk, md=17 kg Mass of sphere, ms=4 g =4×10-3 kg Radius of sphere, rs=3 m Our…

Q: Suppose a 71-kg person stands at the edge of a 6.4- m diameter merry-go-round turntable that is…

A: Angular momentum before the person starts running is equal to the angular momentum after the person…

Q: The rigid body shown in the figure consists of three particles connected by massless rods. It is to…

A:

Q: Two disks are mounted (like a merry-go-round) on low-friction bearings on the same axle and can be…

A: In this question ew have to find the angular velocities according to the given conditions. Please…

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

A:

Q: Do it fast for like A sphere rotating with an angular velocity of 25.6 radians/s about its axis has…

A:

Q: A hollow sphere of radius 0.120 m, with rotational inertia I = 0.0125 kg-m² about a line through its…

A:

Q: A wheel, with rotational inertia I, mounted on a vertical shaft with negligible rotational inertia,…

A: Answer :- (a) 12.40 rad/s Given  Initial angular speed (wi) = 37.2 rad/s  Final angular speed = wf…

Q: In the figure, two particles, each with mass m cm and mass M = 1.1 kg. The combination rotates…

A:

Q: An ice skater spins at 18.5 rad/s with her arms extended. If her moment of inertia with arms folded…

A: If the net external force around a point is zero (about the axis of rotation), then the angular…

Q: Two disks are mounted (like a merry-go-round) on low-friction bearings on the same axle and can be…

A:

Q: An ice skater spins at 13.2 rad/s with her arms extended. If her moment of inertia with arms folded…

A: Given : Angular velocity of the ice skater when arms extended, ω1 = 13.2 rad/s Moment of inertia…

Q: A turntable (disk) of radius r = 27.0 cm and rotational inertia 0.440 kg · m2 rotates with an…

A:

Q: An ice skater, whose rotational inertia is I = 4 kg·m2 with her arms close to her body, is spinning…

A:

Q: A 1190 kg car has four 16 kg wheels. When the car is moving, what fraction (K rotational /K total)…

A: Answer:  2.62

Q: A 5kg sphere with a radius of 10 cm is spinning at an angular of 15rads/s. What is the rotational…

A: