Is there a type of object that would spend more energy rotating than moving linearly? If so, which object? If not, which type of object will have the largest portion of rotational kinetic energy and how much will it have? Moment inertia

Q: baseball pitcher throws the ball in a motion where there is rotation of the forearm about the elbow…

A: Rotation kinetic energy = (1/2) I w2

Q: 2. Imagine the wheel of a bicycle that is suspended off the ground. The wheel is free to rotate…

A: Given that  Radius of wheel r=35cm Angular acceleration α=6rad/s2 Initial angular velocity wi=0

Q: A disk rotates about its central axis starting from rest and accelerates with constant angular…

A: According to question we need to find --- (a) Calculate the angular acceleration. (b) Calculate the…

Q: Moment of inertia of the wheel?

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Q: A cylinder with a uniform density is rolling over a plane. What fraction of its kinetic energy is…

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Q: A 944 kg car has four 8.33 kg wheels. When the car is moving, what fraction of the total kinetic…

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Q: Algebraic manipulation. The table below lists four uniform objects, each with the same radius but…

A: Consider the radius of each object is equal to R.

Q: Q/A wheel rotates from rest with uniform angular acceleration, and in 10 seconds it reaches 50…

A: Given data N2= 50t=10 sec Here, N2 is the final speed. While t is the time period. We have to…

Q: An airplane propeller is 2.01 m in length (from tip to tip) with mass 127 kg and is rotating at 2900…

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Q: A hollow sphere with a mass of 2.1 kg and radius of 0.15 m rolls without slipping down an incline of…

A: Given, mass of hallow sphere m = 2.1 Kg Radius of hallow sphere r = 0.15 m Incline angle θ=35∘…

Q: What is the rotational kinetic energy of the device shown if it rotates at a constant speed of 62.8…

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Q: A sphere of radius R = 30 cm and mass m = 1.8 kg starts from rest and rolls without sliding down a…

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Q: A baseball pitcher throws the ball in a motion where there is rotation of the forearm about the…

A: Given: The linear velocity of the ball relative to the joint is 17.1 m/s. The distance of the ball…

Q: A disk of mass M and radius R rotates with an angular speed w about an axis through its center, an…

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Q: A wheel starts at rest, and has an angular acceleration, α, of 4 rad/s2. Through what angle does it…

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Q: A bowling ball that has a radius of 11.0 cm and a mass of 7.00 kg rolls without slipping on a level…

A: Given Radius of ball = r = 11 cm = 0.11 m Mass  = m = 7 kg Angular speed= ω  = 4 rad/s Ball roll…

Q: Rotational kinetic energy is associated with angular momentum? Does that mean that rotational…

A: Given:   rotational kinetic energy

Q: What are the factors on which rotational inertia depends?

A: Rotational inertia is the resistance to a change in rotational motion, which is similar to plane…

Q: A baseball pitcher throws the ball in a motion where there is rotation of the forearm about the…

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Q: A solid sphere of radius R, a solid cylinder of radius R, and a hollow cylinder of radius R all have…

A: Given Data:Mass of solid sphere , hollow cylinder and solid cylnder are equal let m denotes the mass…

Q: Which do you think would rotate faster (when started from rest), a sphere or a disk? Explain your…

A: The moment of inertia of the sphere is, Isphere=25mr2 The moment of inertia of the disk is,…

Q: Earth spins on its axis and also orbits around the Sun. For this problem use the following…

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Q: A bicycle with 40.20 cm diameter wheels is traveling at 11.80 km/hr. At what angular speed do the…

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Q: Two people start at the same place and walk around a circular lake in opposite directions. One has…

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Q: The disk of a rotating cutter rotates about its central axis at 33.5 rev/min and takes 60 seconds to…

A: Given data: Initial angular velocity (ω0) = 33.5 rev/min Time (t) = 60 s Final angular velocity (ω)…

Q: What are units of measurements for rotational speed?

A: There are many units of measurements of rotational speed.

Q: Find out the relation between rotational inertia and the kinetic energy of a rotating rigid body.

A: Relation between rotational inertia and the kinetic energy of a rotating rigid body: Explanation:…

Q: A solid sphere has a larger rotational inertia than a solid cylinder, they have the same mass and…

A: For translational kinetic energy:K=12mv2For rotational kinetic energy:K=12Iω2Here, we can see…

Q: Two children sit on a Merry-Go-Round in an amusement park. Child 1 sits in a seat that is closer to…

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Q: torque of 50 Nm producing a counterclockwise rotation is ap bout its axle. A frictional torque of 10…

A: GivenTorque applied to axle , τapplied=50 NmFrictional torque, τFrictional=10 Nmα=2 rad/s2

Q: A neutron star of mass 2 x 100 kg and radius 11.1 km rotates with a period of 0.02 seconds. What is…

A: The moment of inertia here (for a disk) can be given by I=25MR2                      ...... (I) The…

Q: When a pitcher throws a baseball, the rotational speed is important when it comes to making the ball…

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Q: small object with a mass of 0.75 kg is suspended from the free end of a 1.5 m long, negligible and…

A: Rotation kinetic energy =(1/2)Iw2

Q: A solid disk is rotating with a constant angular speed as shown below. What statements can we make…

A: Given that a solid disk is rotating with a constant angular speed

Q: A wheel which is initially at rest starts to turn with a constant angular acceleration. After 3…

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Q: There is an analogy between rotational and linear physical quantities. What rotational quantities…

A: analogy between rotational and linear physical quantities

Q: The angular position 0 of a rotational object is given by 0-(4 rad/3) t3 The diameter of the object…

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