A hoop of radius R = 30 cm and mass m = 1.8 kg that rolls without sliding goes up an inclined plane of 30o to a height of 1.0 m. Find its rotational (angular) speed when it started up the incline. (Ihoop = mR^2)

Q: A rotating wheel requires 3.00 s to rotate through 37.0 revolutions. Its angular speed at the end of…

A: Given,Time, t = 3 sAngular displacement,  θ= 37 revolutions = 232.26 radWe know,θ=ω0t+12αt2From,…

Q: In the figure, two 9.50 kg blocks are connected bya massless string over a pulley of radius 1.80 cm…

A: In this question we have to answer some questions related to the given pulley system. Please give…

Q: A disk of radius 12.0 cm rotates about its center, has a linear speed of 54.0 cm/s. What is the…

A: Given  Radius of disk is r=12.0 cm Linear speed is v=54.0 cm/s

Q: The angular velocity of a rotating disk at t=0 is 27.5rad/s and its angular acceleration is constant…

A: The rotational kinematics equation of motion is defined as ω=ω0+αtω2=ω02+2αθ Here ω0 is the initial…

Q: disk spins at a rate of 6000 radians every 10 minutes. (a) What is the angular velocity of the disk…

A: Given  Angular displacement = 6000 radians  Time taken = 10 min  = 10×60 sec  = 600 sec

Q: A wheel with a rotational inertia of 50 kg*m^2 is rotating at 20 rad/s. How much work must be…

A: The data is given as, I=50 kg⋅m2ω1=20 rad/sω2=0 rad/s

Q: A sphere of radius 20.0 cm and mass 1.80 kg starts from rest and rolls without slipping down a 30.0…

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Q: A uniform, solid cylinder of radius 3.00 cm and mass 3.00 kg starts from rest at the top of an…

A: Radius =3cm Mass= 3kg L= 2m  .θ = 25° To find = cylinder speed at the bottom of the ramp

Q: A solid disk is released from rest and rolls without slipping down an inclined plane that makes an…

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Q: A 1.1-kg 20-cm-diameter solid sphere is rotating about its diameter at 73 rev/min. (a) What is its…

A: a)Total kinetic energy is the sum of rotational and translational kinetic energies.

Q: A small wheel of radius 2cm drives a large wheel of radians 12.1 cm by having their circumferences…

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

A: Length l = 0.705 m Mass m = 2.91 kg  Angular speed = 553 rpm                 = 553 × 2π /60…

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

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Q: A merry-go-round has a mass of 1550 kg and a radius of 7.40 m .  How much net work is required to…

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Q: A wheel, originally rotating at 10 rad/s2. What is its angular speed after it has turned thriugh an…

A:

Q: A uniform disk with a radius of 0.3 m and mass of 59.1 kg rotates at 7.0 rad/s. What is the…

A: Calculate the moment of inertia of the disk. I=12mr2I=12(59.1 kg)(0.3 m)2I=2.6595 kg⋅m2

Q: A sphere of radius ro = 24.0 cm and mass m = 1.20kg starts from rest and rolls without slipping down…

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Q: Ex. 16 : A flywheel of mass 4 kg has radius of gyration 0.4 m. Calculate the kinetic energy of…

A: To find-Kinetic energy of flywheel(K.E)=?Given-Mas of flywheel (m)=4 kgRadius of gyration (K)=0.4…

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

A: Given that: L=0.875 mm=2.71 kgω=519 rpm=519 rpm×2π rev/min60 rpm=54.35 rad/s Here, L, m, and ω are…

Q: A shell explodes into two fragments, one fragment 25 times heavier than the other. If any gas from…

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Q: A71 kg solid sphere is released from rest at the top of an incline with height of h = 4.20 m and an…

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

A: Mass of each rod = 2.71kg Length of rod = 0.829m Angular velocity ω =589×2π60 =61.65rad/s2 Inretia…

Q: Imagine a spinning solid melon. It has a mass of 1.0 kg and a 18-cm diameter. It turns a rate of…

A: Data Given ,  Mass of melon ( M ) = 1 kg Diameter ( d ) = 18 cm = 0.18 m Radius ( R ) = 0.09 m…

Q: Calculate the rotational inertia of a wheel that has a kinetic energy of 18.5 kJ when rotating at…

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