_____7. The moment of inertia of a body about an axis depends on its a) angular velocity   b) mass distribution           c) angular acceleration      d) none of these

Q: A wheel has a constant angular acceleration of 2.2 rad/s². During a certain 5.0 s interval, it turns…

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Q: 4. Walk around a Lake - Two people start at the same place and walk around a circular lake in…

A: We can use relative speed concept.i.e assuming one at rest and other covering whole circle with…

Q: For the wheel and axle system shown, which of the following expressed the condition required for the…

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Q: The moment of inertia of a body about a given axis is 1.2kgm2. Initially, the body at rest. In order…

A: C

Q: A wheel of diameter of 34.0 cm slows down uniformly from 8.40 m/s to rest over a distance of 115 m.…

A: Write given values in this problem.   vi=8.40 m/sv0=0s=115 mand,D=2R=34 cmR=17 cm=0.17 m

Q: 1.) A wheel turns through 120 revolutions. Recall: 360 degrees = 1 revolution = 2Pi rad a.) how many…

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Q: of the llowing the angular speed of a Tiywi wnen it has made one revolution The flywheel starts from…

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Q: With the aid of a string, a gyroscope with a rotational inertia of 0.5 kg/m- is accelerated from…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: what kinetic energy will it have 10.4 s later

A: Given moment of inertia  (I)= 0.0340 kg.m2 torque (τ)= 0.110 Nm The fan starts from rest so, initial…

Q: A child raises her arms to balance on a beam.  The action makes it easier for her to balance because…

A: The moment of inertia of a child represents how much that child can resist the rotation. The moment…

Q: ___3. An ice skater spins with arms fully extended. If she pulls her arms closer to her body then…

A: 3. The angular momentum, L = Iω The rotational kinetic energy, Krot = 12Iω2 Where, I is the moment…

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: A 66-N  m torque acts on a wheel with a moment of inertia 175 kg  m2. If the wheel startsfrom…

A: The objective of the question is to find out how long it will take for the wheel to make one…

Q: A motor is accelerating at 0.6 rad/s2 while it covers 20 rad. If it reaches a final angular velocity…

A: Angular acceleration (α) = 0.6 rads2Angular displacement (θ) = 20 radfinal angular velocity (ωf) = 8…

Q: A wheel with an initial angular velocity of 146 rad/s has a mass of 0.9 kg and a radius of 8 cm. The…

A: Write the given values using suitable variables. Here wi signifies initial angular speed, m…

Q: A flywheel is accelerated from rest to a angular velocity of 31.4 rad/s as a point on the flywheel…

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Q: A drill is moving at 6 rad/s when it speeds up at 2 rad/s² for 3 s. Find the angular velocity at the…

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Q: A cylinder of radius 3d = 12 cm starts from rest and rotates about its central axis with constant…

A: Given: Radius 3d=12 cm d=123=4 cm=0.04 m Angular acceleration, α=3 rad/s2 Moment of Inertia,…

Q: A wheel has a constant angular acceleration of 1.6 rad/s2. During a certain 9.0 s interval, it turns…

A: angular accelerationα=1.6 rad/s2time interval t=9 secangular displacementθ=94 rad

Q: suppose a lady bug's position on a wheel is given as θ=7t-3t^2, where θ is in radians and t is in…

A: Given data:  The angular position as function of time θ = 7t - 3t2 Required: The average angular…

Q: 4. Calculate the moment of inertia of a skater given the following information. The 65.0–kg skater…

A: Solution: The 65.0–kg skater is approximated as a cylinder that has a 0.132–m radius. he skater with…

Q: 7) A 25-cm-radius wheel is rotating with an angular speed of 16 rad/s. It experiences an angular…

A: Given data: Radius of wheel is, r=25 cm =0.25 m. Initial angular speed is, ω1=16 rad/s. Angular…

Q: A constant net torque is applied to an object. Which one of the following will NOT be constant? A)…

A: Torque is given as , T = Iα      (1) From equation (1) we can say that if torque is constant that…

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: 4. Juan Tamad is pedalling a bicycle at 10 m/s. Suppose the diameter of the bicycle wheels is 132…

A: Given: The linear speed is v=10 m/s The diameter of the wheel is d=132 cm=132×10-2m The radius of…

Q: torque of 10Nm is applied to a flywheel of mass 1kg and radius of gyration 50cm. What is the…

A: Given: Torque,τ=10 Nm Mass, m=10 kg Gyration, k=0.5 m

Q: 10) A figure skater wants to increase her rotational speed by a factor of 3. a) By what factor…

A: There is no net torque on figure skater(angular acceleration = 0)

Q: Calculate the rotational kinetic energy in the motorcycle wheel if its angular velocity is 125…

A: Given, Angular velocity of the wheel, ω=125rad/s Mass of the wheel, m=10kg The radius of the wheel,…

Q: A wheel starts from rest and rotates with constant angular acceleration and reaches an angular…

A: Answer is uploaded in 2nd step.

Q: A torque of 50 N ∗ m acts on a wheel of moment of inertia 25 kg ∗ m2 for 6 s and then is removed.…

A: Write the given values with the suitable variables. τ=50 N·mI=25 kg·m2 Here, τ is the torque and I…

Q: What is the rotational kinetic energy of a 2.00kg wheel that has a radius of 0.350m when rotating at…

A: Correct Answer: Option (A) i.e. 885 J

Q: A uniform disk with mass m = 9.2 kg and radius R = 1.4 m lies in the x-y plane and centered at the…

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Q: suppose a lady bug's position on a wheel is given as θ=7t-3t^2, where θ is in radians and t is in…

A: Given:Angular position of the bug, θ=7t−3t2   radAsked:To find average velocity from t = 1 s to t= 5…

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: Part a) Suppose you exert a force of 192 N tangential to a 0.290-m-radius 71.0-kg grindstone (a…

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Q: Problem 2: A gyroscope is spun up from rest to 32 rad/s in 0.40 s. a) What is its angular…

A: The angular acceleration is given by,

Q: a) Which of these cannot tell you the angular velocity of a wheel (by itself)? A) "The wheel spins…

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

Q: 40. John rides his bike along the riverfront bike trail by the campus. If the radius of the wheels…

A: Given that  The radius of the circular path (r) = 0.4m and speed of john's bike(v) = 6m/s

Q: 19. A grinding wheel slows down with constant acceleration from 75 rpm (revolutions per minute) to…

A: Given- ω1= 75 rpm (constant circular acceleration)ω1= 75×2π60= 5(3.14)2= 7.85 rad/sect = 55sω2= 0…

Q: A ceiling fan consists of a small cylindrical disk with 5 thin rods coming from the center. The disk…

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Q: A supercar engine delivers a power of 895 kW corresponding to a maximum angular speed of 6400…

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Q: Q1-A disk with a diameter of 400 mm speeds up from 12 rad/s to 62rad/s in 0.4 min.

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Q: 8) The pulley has a mass of 1.2 kg and a radius of 8 cm. It has the shape of a disk. Find the…

A: The masses are 3kg and 12kg Radius of the pulley is 8cm

Q: 19. An object of mass 6.0 kg moves at constant speed 5.0 m/s in a circular path of radius 2.0 m. (a)…

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Q: 1. The radius of the Earth is 6.4-106 m, Mass of the Earth is 6-1024 kg, and distance of the Earth…

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