The rotational inertia of a disk about its axis is 5.3kg.m^2. When a 7.1 kg weight is added to its rim, 9.4 m from the axis, the rotational inertia becomes:

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

A:

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

A:

Q: A circular saw blade 0.250 mm in diameter starts from rest. In 6.50 ss , it reaches an angular…

A: Given data:  Diameter (d) = 0.250 m Initial angular velocity (ω0) = 0 rad/s Time (t) = 6.50 s Final…

Q: A wheel with a radius of 0.33 m and rotational inertia 2.0 kgm2 spins on an axle with an angular…

A: Given:-  The radius of the wheel r= 0.33 m  rotational inertia I=2.0 kgm2   an angular speed of…

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: Consider a merry-go-round with mass 30.00kg and radius 1.40m (the merry-go-round can be modeled as a…

A: Given Mass of the merry-go-round is m=30.00 kg. Radius of the merry-go-round is r=1.40 m. Applied…

Q: al inertia of 0.465 kg-m² abr . Calculate the rotational

A: I=0.465 Kg.m2 (rotational inertia of flywheel)ω=126 rad/s (angular velocity)

Q: A centrifuge has a rotational inertia of 7.30 × 10−3 kg⋅m2. How much energy must be supplied to…

A:

Q: A wheel rotates through an angle of 13.8 rad as it slows down from 22.0 rad/s to 13.5 rad/s. What is…

A: Given, θ=13.8 radωi=22.0 radωf=13.5 rad/s The formula to calculate the average angular acceleration…

Q: A spinning flywheel has rotational inertia I= 401 kg·m2. Its angular velocity decreases from 20.0…

A: The frictional torque acting on the flywheel can be calculated using the equation of rotational…

Q: A torque of magnitude 50Nm acts for 10 seconds to start a small merry-go-round (I = 1/2*m*r^2 ) of…

A: Given data:  Torque (τ) = 50 Nm Time (t) = 10 seconds Moment of inertia (I) = (1/2)mr2 Radius (r) =…

Q: A 12N.m torque is applied to a flywheel that rotates about a fixed axis and has a moment of inertia…

A: Given,

Q: A certain wheel has a rotational inertia of 14 kg. m². As it turns through 11 rev its angular…

A:

Q: A grinding wheel with rotational inertia I= 1.80 kg*m2 slows from a top speed of 2.50 x 103 rpm (262…

A: Given data:  Rotational inertia (I) = 1.80 kg.m2 Initial angular velocity (ω0) = 262 rad/s Final…

Q: A 30 kg child stands on the edge of a stationary merry-go-round of mass 100 kg and radius 2.0 m.…

A:

Q: A certain wheel has a rotational inertia of 7.5 kg.m2. As it turns through 2.2 revolutions, its…

A: From kinematic relation for angular motion

Q: thin uniform-density rod whose mass is 2.5 kg and whose length is 2.8 m rotates around an axis…

A:

Q: The angular position of a point on a rotating wheel is given by e = 1.04 + 5.68t2 + 2.16t°, where e…

A:

Q: What constant angular acceleration is required to reduce an object's angular velocity from 37.8…

A: See below

Q: A uniform spherical shell of mass M= 4.5 kg and radius R  8.5 cm can rotate about a vertical axis…

A: Given , mass of shell M=4.5 kgRadius of shell R=8.5 cm=0.085 mMass moment of inertiaof pulley…

Q: The angular position of a point on a rotating wheel is given by 0 = 1.14+ 8.97t² +4.03t³, where is…

A: Disclaimer: “Since you have asked posted a question with multiple sub-parts, we will solve the first…

Q: Calculate the rotational inertia of a meter stick, with mass 0.320 kg, about an axis perpendicular…

A: Determine the distance of the mark from the center of the meter stick.

Q: When a solid sphere is rotating at a constant angular w = 2.5 rad/s, what is the rotational kinetic…

A:

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

A: Given: radius of circular disk R = 3.30 mrotational inertia Io =165 kg.m2mass of student m = 77.6…

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

A:

Q: A disk with moment of inertia 7.3 kg m^2 spins at 19 rad/s about its center axis. If a brake exerts…

A: Given :     Moment of inertia, I = 7.3 kg m2    Angular velocity, ω = 19 rad/s   Force, F = 80 N…

Q: The angular position of a point on a rotating wheel is given by e = 3.89 + 3.51t? + 3.45t°, where e…

A: Given value--- angular position = 3.89 + 3.51 t2 + 3.45 t3 . We have to find --- At t = 0, what…

Q: (a) What is the angular speed of the flywheel in rad/s? | rad/s (b) What is the linear speed of a…

A: GivenDiameter of flywheel ,d=1.80 mInitial Angular speed ,ωi=170 rev/min

Q: The blades of a ceiling fan have a moment of inertia of 0.16 kg.m2 and an angular acceleration of…

A: Given data, moment of inertia of the blades = 0.16 kg.m2 angular acceleration = 7.0 rad/s2

Q: The rotational inertia of a disk about its axis is 2.9kg.m^2. When a 5.2 kg weight is added to its…

A: Given data:  Initial rotational inertia of the disk I0 = 2.9 kg.m2 Mass (m) = 5.2 kg Distance from…

Q: A merry go round has a rotational inertia of 900 kg m^2 and a radius of 3 m. If a child with a mass…

A: mass of Merry go round , M = 900 kg mass of child , m = 50 kg radius ,r = 3 m

Q: A force F = 287 N is applied to the outside of a small merry-go-round. If the merry-go-round is well…

A: τ=Iαd2F=md222αdF2=md2α8α=4Fmd

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

A: The solution for this question has been solved below...

Q: The angular position of a point on a rotating wheel is given by 0 = 1.66 +5.38t2 + 1.25t³, where is…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: a skater rotating at 7.25 rad/s with her arms extended has rotational inertia of 3.4 kg m square. if…

A:

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

A: Solution: Given: r1 = radius of merry go round = 1.54 m I1 = rotational inertia of merry go round =…

Q: A skater is initially spinning at a rate of 19.0 rad/s with a rotational inertia of 3.30 kg·m2 when…

A: The objective of the question is to find the final angular velocity of the skater after she pulls…

Q: A flywheel in the shape of a thin ring has a mass of 30 kg and a diameter of 0.96 m. A torque of 13…

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 solid cylinder with a radius of 10 cm and a mass of 3.0 kg is rotating about its center with an…

A: The equation for the moment of inertia of a solid cylinder is given by

Q: ntist's drill starts from rest and undergoes uniform angular acceleration t turms at a rate 10…

A: The angular acceleration is the time rate of change of the angular velocity. Here, we calculate the…

Q: An electric fan turns with constant angular acceleration of 1.24 rad/s^2. How much time does it take…

A: Given: α=1.24rad/s2, ωf=32rad/s, ωi=0rad/s Using the kinematic relation, the time taken by the fan…

Q: 9 = 1.42 + 4.85t² + 3.19t³, where e is in

A: As it has given the angular position of rotating wheel is given by θ=1.42+4·85t2+3.19t3. we need to…

Q: The angular position of a point on a rotating wheel is given by 0-7.22+6.13t² + 1.09t³, where is in…

A: a) Determine the angular position at time t = 0.

Q: A disk of radius 1.5m rotates around its center because a force of 160N is applied tangent to its…

A: