In the figure, block 1 has mass m, = 500 g, block 2 has mass m2 = 550 g,and the pulley is on a frictionless horizontal axle (pulley can be viewed as adisc) and has radius R = 6 cm. When released from rest, block 2 falls80 cm in 5.5 s without the cord slipping on the pulley.(а)(b)(c)(Use g = 10 m/s²)What is the magnitude of the acceleration of the blocks?What is the tension T2 (the tension force on the block 2What is the tension T1 (the tension force on the block 1m1m2

(a) acceleration a: S=ut +12at2 here u=0 since the masses were at rest when released. Important…

Answered: In the figure, block 1 has mass m, =…

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter13: Rotation Ii: A Conservation Approach

Section: Chapter Questions

Problem 47PQ

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A solid cylinder of mass 2.0 kg and radius 20 cm is rotating counterclockwise around a vertical axis through its center at 600 rev/min. A second solid cylinder of the same mass and radius is rotating clockwise around the same vertical axis at 900 rev/min. If the cylinders couple so that they rotate about the same vertical axis, what is the angular velocity of the combination?
Consider a horizontal spinning disc of radius R=4.7m. A ball of mass m=4.93kg and negligible size is attached, with a clamp, to the outer edge of the disc. The disc starts at rest and experiences a constant angular acceleration, α=4.1rad/s^2 (a) Consider the disc at time t=19.3s. Calculate the speed, v, in meters per second, of the attached ball. (b) At this same time, t=19.3s, calculate the component of the force, FT, in newtons, that is required to keep the ball moving on a circle. (c) What is the magnitude, in newtons, of the net force, Fnet, acting on the ball at t=19.3s?
A block of mass m1 =2,00 kg and a block of mass m2=6,00 kg are connected by a rope negligible mass over a pulley in the shape of a solid disk that has radius R= 0,250 m and mass M=10,0 kg. These blocks are allowed to move on an incline ramp of angle30.00, as shown in the figure. The coefficient of kinetic friction between the blocks and the ramp is 0,360. Determine (a) the acceleration of the system and b) the tensions in the rope on both sides of the pulley.
I'm struggling to understand how to do this: A block of mass m1 = 1.55 kg and a block of mass m2 = 6.05 kg are connected by a massless string over a pulley in the shape of a solid disk having radius R = 0.250 m and mass M = 10.0 kg. The fixed, wedge-shaped ramp makes an angle of θ= 30.0°. The coefficient of kinetic friction is 0.360 for both blocks. Use g=9.8 m/s2. (a) Determine the acceleration of the two blocks. (Enter the magnitude of the acceleration.) (b) Determine the tensions in the string on both sides of the pulley (left side and right side).
A good baseball pitcher can throw a baseball toward homeplate at 85 mi/h with a spin of 1800 rev/min. How many revolutionsdoes the baseball make on its way to home plate? For simplicity,assume that the 60 ft path is a straight line.
A block of mass m1 = 1.50 kg and a block of mass m2 = 6.25 kg are connected by a massless string over a pulley in the shape of a solid disk having radius R = 0.250 m and mass M = 10.0 kg. The fixed, wedge-shaped ramp makes an angle of ? = 30.0° as shown in the figure. The coefficient of kinetic friction is 0.360 for both blocks. (b) Determine the acceleration of the two blocks. (Enter the magnitude of the acceleration.)
an overhead view of a ring that can rotate about its center like a merrygo- round. Its outer radius R2 is 0.800 m, its inner radius R1 is R2/2.00, its mass M is 8.00 kg, and the mass of the crossbars at its center is negligible. It initially rotates at an angular speed of 8.00 rad/s with a cat of massm M/4.00 on its outer edge, at radius R2. By how much does the cat increase the kinetic energy of the cat–ring system if the cat crawls to the inner edge, at radius R1?
How fast (in rpm) must a centrifuge rotate if a particle 7.8 cm from the axis of rotation is to experience an acceleration of 1.2×105 g's? Express your answer using two significant figures.
A box is suspended from a coil of rope on a pulley of radius (0.54m) and rotating at a constant angular velocity (1.6rad/s) to lift it up. - Calculate the height that the box reaches after three seconds ?
Consider the system of particles that are connected by rigid rods of negligible mass. If the system will rotate along an axis that will pass through the ml and m2 particles (left side/vertical) with an angular speed of 9 rev/s, Find the mombet of inertia of the system. (m1= 7kg; m2= 3 kg; m3=10 kg; a= 3m and b= 3m
A mass m = 3.8 kg is connected, as shown, by a light cord to a mass M = 3.3 kg, which slides on a smooth horizontal surface. The pulley rotates about a frictionless axle and has a radius R = 0.13 m and a moment of inertia I = 0.07 kg × m2. The cord does not slip on the pulley. What is the magnitude of the acceleration (in m/s2) of m?
A wheel 4 m in diameter rotates on a fixed frictionless horizontal axis, about which its moment of inertia is 10 kg.m2. A constant tension of 40 N is maintained on a rope wrapped around the rim of the wheel. If the wheel starts from rest at t = 0 s, find the length of rope unwounded at t=3 s.

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