A 25.0 kg child sits at the outer edge of a merry-go-round that has mass 200 kg and radius 4.0 m and is rotating at 1.0 rad/s.    a. If the child moves to the center of merry-go-round, what is the resulting angular speed?    Treat the merry-go-round as a solid cylinder.    b. What is the change in the kinetic energy of the system? c. Is this “collision” elastic, inelastic or an explosion?

Q: Consider a particular wheel with a mass of (8 kg), a radius of (0.3 m), and a moment of inertia (I…

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A: torque applied= 35.3 Nm Iα=35.3Nm time given=5.80 s α=ωf-ωi /tα=10.3-05.80   =1.775 rad/s2Iα=35.3…

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A: Here Given: M= 0.625Kg v= 5m/s R= 0.11m To find : Moment of Inertia of the ball Angular Speed Max…

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Q: An automobile traveling 85.0 km/h has tires of 65.0 cm diameter. (a) What is the angular speed of…

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A: (a) From kinematics for rotational motion, the expression for the angular displacement is:

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A: Mass of Basket ball(M)= 625g = 0.625Kg Radius(R) = 11cm = 0.11m velocity(v) = 5m/s

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Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.