Because the rotational inertia is greater, it is the hardest in springboard diving to perform a forward somersault in

Q: A potter’s wheel with rotational inertia 24 kg ∙ m^2 is spinning freely with no friction at 50 rpm.…

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Q: 8.1 What is the wheel's initial translational kinetic energy? 8.2 What is the wheel's initial…

A: Please post the remaining questions separately!

Q: A toy top with a spool of diameter 5.0 cm has a moment of inertia of 3.0x10-5 kg ⋅ m2 about its…

A: Given Data: The diameter of a toy top is, d=5.0 cm The moment of inertia is, I=3×10-5 kgm2 The force…

Q: A dancer is spinning with his arms extended. In this position his rotational inertia is 1.5 kg m?.…

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Q: The mass and the radius of a uniform cylinder are 100 kg and 0.50 m, respectively. It is rotating…

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Q: In terms of rotational inertia, explain why: You can swing a baseball bat faster than a long one of…

A: It is a scalar value which tells how difficult it is to change the rotational velocity of the object…

Q: What is the rotational inertia of a cylindrical ring about its central axis. It has an inner radius…

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Q: A diver comes off a board with arms straight up and legs straight down, giving her a moment of…

A: Given data: Initial moment of inertia I1 = 18 kg.m2 Final moment of inertia I2 = 3.6 kg.m2 Time…

Q: A merry-go-round is spinning at a rate of 4.0 revolutions per minute. Cora is sitting 0.5 m from the…

A: 1) rotational speed of the two children are equal because both of them are sitting on the same merry…

Q: A merry-go-round is spinning at a rate of 3.03.0 revolutions per minute. Cora is sitting 0.50.5 m…

A: Given that distance of Cora from the centre and distance of Cameron from the centre and also given…

Q: A figure skater is spinning with her arms extended. She now pulls her arms close to her body. What…

A: According to the law of conservation of angular momentum, the angular momentum of the skater must be…

Q: 6. A 30-kg child stands on the edge of a stationary merry-go-round of mass m= 100 kg, and radius of…

A: Given quantities: Mass of the child (M) = 30 kg mass of the merry-go-round (m) = 100 kg radius (r) =…

Q: A dog on a merry-go-round undergoes a 1.5 m/s^2 linear acceleration.   If the merry-go-round’s…

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Q: blades of a fan running at low speed turn at 280 rpm. When the fan is switched to high speed, the…

A: Initial frequency fo = 280 rpm = 280/60 rps  =4.67 rps  Final frequency f = 430 rpm = 430/60 rps…

Q: How fast (in rpm) must a centrifuge rotate if a particle 7.8 cm from the axis of rotation is to…

A: The centripetal acceleration is a given by                                          a=ω2r…

Q: An old-style elevator is connected to a counterweight by a cable that passes over a rotating disk…

A: Given data: The diameter of the disk is d=2.50 m. The velocity of the disk is v=25 cm/s

Q: A centrifuge has a rotational inertia of 5.50 × 10−3 kg m2. How much energy must be supplied to…

A: Write the expression for the energy supplied to the centrifuge. Here, I represents the rotational…

Q: A figure skater goes into a spin, keeping her arms at her sides. When she extends her arms: A her…

A: Given statement : A figure skater goes into spin, keeping her arms at her sides

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: 13. After the cylinder leaves the table, but before it lands, how do the rotational kinetic energy…

A: In this question we have to answer whether Rotational Kinetic Energy and Translational Kinetic…

Q: A person with a rotational inertia of 4.72 kg·m2 about a vertical axis jumps onto a platform…

A: Given :    Rotational inertia of person, I = 4.72 kg m2    Spinning rate, ω =  43.1 rad/s…

Q: A propeller is modeled as five identical uniform rods extending radially from its axis. The length…

A: Moment of inertia of each rod = (1/3) M L2 Therefore, moment of inertia of 5 rods = (5) * (1/3) M L2…

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

A: A force 2N will produce torque which is equals to Iα where I is rotational inertia and α is angular…

Q: The motor driving a grindstone is switched off when the latter has a rotational  speed of 240 rpm.…

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Q: You pedal your bicycle so that its wheel’s rotational speed changes from 5.0rad/s to 8.0 rad/s in…

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Q: A toy top with a spool of diameter 5.5 cm has a moment of inertia of 2.8×10−5 kg⋅m2bout its rotation…

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Q: A wheel accelerates from rest to 2.53 rad/s at a rate of 4.64 rad/s2.   Through what angle (in…

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Q: 16. The moment of inertia ("rotational mass") of a propeller on a car is 6.67 kg m2. Calculate the…

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Q: An 8.00-cm-diameter, 370 gg solid sphere is released from rest at the top of a 1.50-m-long, 20.0 ∘∘…

A: Given data : The diameter of the solid sphere is given as d = 8cm d=8cm; r=d2=8cm×1m100cm2=0.04cm…

Q: A cylinder is 0.4 m in radius and {h} m in length. Its rotational inertia, about the cylinder axis…

A: Given Data Radius of the cylinder is r=0.4 m Moment of inertia of the cylinder is I=1.2 kg.m2…

Q: A fly sits on a potter’s wheel 0.30m from its axel. The wheel’s rotational speed decreases from 4.0…

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

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Q: How fast (in rpm) must a centrifuge rotate if a particle 6.7 cm from the axis of rotation is to…

A: distance of particle from the axis of rotation (d) = 6.7 cm = 0.067 m acceleration (a) = 200000 g

Q: In the "Rotational Motion" experiment (shown in the figure below), when we increase the hanging mass…

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Q: A grindstone rotates at constant rotational acceleration of 0.35 rad/s2. At time t1 = 0 s, it has a…

A: Given data:  Rotational acceleration (α) = 0.35 rad/s2 Initial velocity (ωi) = -2.8 rad/s Required:…

Q: A 16-kg block is attached to a cord that is wrapped around the rim of a flywheel of diameter 0.40 m…

A: given,mass of the block, m = 16 kgdiameter of flywheel, d = 0.40 mrotational inertia of flywheel, I…

Q: A figure skater with rotational inertia Iskater is spinning with angular speed ω. She pulls her arms…

A: SOlution: Given that Initial angular velocityω = ωon pulling her armI' = I3

Q: An auto with 0.300 m radius tires travels 65,000 km before wearing them out. How many revolutions do…

A: Given data: The radius of the tire is R=0.300 m. The total distance traveled by the tire is d=65000…

Q: A solid sphere weighing 15 kg has a radius of 0.25 m. if the sphere is allowed to roll from rest…

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Q: If a skater who is spinning pulls her arms in so as to reduce her rotational inertia by half, by how…

A: A skater who is spinning pulls her arms in so as to reduce her rotational inertia by half. According…

Q: which statements apply to rotational inertia   A. Short legs have less rotational inertia than…

A: Rotational inertial is also known as moment of inertia which tells the amount of torque required to…

Q: Which of the following increases the rotational inertia of a solid diet about its axis, without…

A: We want to increase the rotational inertia (moment of inertia ) of a solid diet about it's axis,…

Q: 1. After accelerating a merry-go-round has an angular acceleration of 0.45 radians per second…

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

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Q: A horizontal platform in the shape of a circular disk rotates on a frictionless bearing about a…

A: The expression for the final angular speed from the conservation of momentum,