10) If a round object (sphere, cylinder, hoop, etc.) is rolling across the floor (without slipping), the total kinetic energy is calculated as?

Q: A tennis ball has a mass of 65 g and a diameter of 6.2 cm. Find the moment of inertia about its…

A: Answer:-  Given  Mass of a tennis ball (m) = 65 g = 0.065 kg  Diameter of the ball(d) = 6.2 cm…

Q: (II) A bowling ball of mass 7.25 kg and radius 10.8 cm rolls without slipping down a lane at 3.10…

A: Let m denote the mass of the bowling ball, r denote the radius of the ball, v denote the speed of…

Q: 2 kg point mass is at coordinates (4 m, 7 m), a 6 kg mass is at (-8,9) and a 3kg mass is at (x,y) of…

A: In the question three masses are given and their coordinates in xy plane are also given we have to…

Q: 1. A 0.5 kg ball is attached to a 0.75 m long string and is being rotated in a horizontal circle…

A: Write the given values with the suitable variables. m=0.5 kgr=0.75 mv=7 m/s Here, m is the mass, r…

Q: If an object changes its angular momentum, what can you infer about its system? Cite as many changes…

A: Angular momentum: The moment of angular momentum is called angular momentum. L = r x p   = r x mv…

Q: A solid disk with a mass of 32 kg and a radius of 27 cm is spinning counter-clockwise at 17 rad/s in…

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Q: A circular saw is powered by a motor. When the saw is used to cut wood, the wood exerts a torque of…

A: Given data: Torque (τ) = 0.4 N.m Constant angular velocity (ω) = 19 rad/s Time (t) = 6.1 min…

Q: A 3 kg point mass is at coordinates (4 m, 5 m), a 6 kg mass is at (-8,3) and a 3kg mass is at (x,y)…

A:

Q: 1. A bowling ball has a mass of 5.5 kg and a radius of 12.0 cm. It is    released so that it rolls…

A:

Q: [LO 21.4, 23.0, 23.2, 25.1] A skater extends her arms horizontally, holding a 5-kg mass in each…

A: Given: The holding mass is 5 kg. The initial angular velocity is 1 rev/s. The moment of inertia of…

Q: マ-vs thin cylinder towards of mass M and Radins R which is mounded on fixed vertical axis d <R. M is…

A:

Q: A 1.5 m wide door (mass 3.5 kg) is hinged at one side so that it can rotate without friction about a…

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Q: thin ring that weighs about 13.5N that has a radius of about 0.5m rotating at the rate of 7 rev/s.…

A:

Q: Stars originate as large bodies of slowly rotating gas. Because of gravity, these clumps of gas…

A: The expression for the angular momentum,

Q: . (II) Assume that a 1.00-kg ball is thrown solely by the action of the forearm, which rotates about…

A:

Q: On an old-fashioned rotating piano stool, a student sits holding a pair of dumbbells at a distance…

A: The initial moment of inertia of the system was Ii=(5+2×5×0.602) kg.m2=8.6 kg.m2 The initial angular…

Q: A 7 kg point mass is at coordinates (4 m, 6 m), a 5 kg mass is at (-3,8) and a 4kg mass is at (x,y)…

A: The position of the point masses is shown below.

Q: 17. A shortstop may leap into the air to catch a ball and throw it quickly. As he throws the ball,…

A: As a shortstop throws a ball, the upper part of his body rotates. His hips and legs rotate in the…

Q: 9.49 About what axis will a uniform, balsa-wood sphere have the same moment of inertia as does a…

A: M.I of solid sphere  = 25mr2 M.I about a parallel axis = 12 + md2 M.I of hollow sphere = 23mr2

Q: 6. A solid disk rotates in the horizontal plane at an angular velocity of 4.10 × 10-2 rad/s with…

A: Angular velocity, ω = 4.10×10-2 rad/s = 0.041 rad/s Moment of inertia of disk, I = 0.17 kg.m²…

Q: A wooden cylinder and a wooden hoop have the same mass and radius. They are released simultaneously…

A: The acceleration of an object rolling down an inclined plane without slipping can be written as, a=g…

Q: (II) A person stands, hands at his side, on a platform that is rotating at a rate of 0.90 rev/s. If…

A:

Q: 18- If the system is isolated, then the angular momentum will be constant in magnitude, not…

A: Answer: If the system is isolated, then the angular momentum will be constant in magnitude, not…

Q: - 16. A body rolls down an inclined plane. If its kinetic energy of rotation is 40% of its kinetic…

A:

Q: (II) A diver (such as the one shown in Fig. 8–28) can reduceher moment of inertia by a factor of…

A: Given information: The moment of inertia of the diver at a straight position, Ii=I The moment of…

Q: A circular saw is powered by a motor.  When the saw is used to cut wood, the wood exerts a torque of…

A: Given data:  Torque (τ) = 0.7 N.m Constant angular velocity (ω) = 23 rad/s Time (t) = 7.3 min…

Q: Two astronauts (figure), each having a mass of 76.0 kg, are connected by ad = 9.0-m rope of…

A: Since you have posted a question with multiple subparts we will solve first three subparts for you.…

Q: 52. (II) A bowling ball of mass 7.25 kg and radius 10.8 cm rolls without slipping down a lane at…

A: Question No 52   ........ Given  Mass of ball, M = 7.25 kg  Radius of ball,R = 10.8 cm  Speed of…

Q: A 3 kg point mass is at coordinates (8 m, 7 m), a 7 kg mass is at (-9,3) and a 4kg mass is at (x,y)…

A: Given: Mass, m1 = 3 kg at coordinates (8 m, 7 m) Mass, m2 = 7 kg at coordinates (-9 m, 3 m)  Mass,…

Q: The position vector of a particle of mass 1.60 kg as a function of time is given by r = (6.00 î +…

A:

Q: A hoop, a uniform solid cylinder, a spherical shell, and a uniform solid sphere are released from…

A: A hoop, a uniform solid cylinder, a spherical shell, and a uniform solid sphere are released from…

Q: 4) In the figure shown, The top disk has a moment of inertia 3 times the bottom disk (and the top…

A:

Q: (II) A uniform disk turns at 3.3 rev/s around a frictionless central axis. A nonrotating rod, of the…

A: Given: Number of revolutions = 3.3 rev/s

Q: 77. . A uniform, solid sphere of radius 5.00 cm and mass 3.00 kg starts with a translational speed…

A: Given: Mass of the sphere, m=3 kg Radius of the sphere, r=5 cm=5×10-2 m Initial translational speed…

Q: A large wooden wheel (mass 2 kg, radius 0.5 m) is mounted on an axle so as to rotate freely about…

A:

Q: 4.00-kg mass and a 3.00-kg mass are attached to opposite ends of a very light 42.0-cm-long…

A: Given data The first mass is m1=4.00 kg The second mass is m2=3.00 kg The length of the rod is L=42…

Q: 2. A 0.15 kg ball is attached to a 0.5 m long string and is being rotated in a horizontal circle…

A: The rotating equivalent of linear momentum is angular momentum. Angular momentum is equal to the…

Q: A bicycle wheel, of mass 1.52 kg is placed at the end of a rod 0.630 m in length, which can pivot…

A:

Q: When a rigid body rotates about a fixed axis, all the points in the body have the same what? Explain

A: To explain : The quantity which is same for all the points in a rigid body rotating about a fixed…

Q: 4. A dancer on ice spins faster when she folds her arms. This is due to A an increase in kinetic…

A: Concept Torque =Rate of change of angular momentumτ =dLdtIf no external torque is applied τ =0dLdt…

Q: 2.4 The diagram shows a particle moving in a circular path under the influence of a central force.…

A: