Chapter 10, Problem 051 In the figure, block 1 has mass m, = 440 g, block 2 has mass m2 = 530 g, and the pulley is on a frictionless horizontal axle and has radius R = 4.8 cm. When released from rest, block 2 falls 72 cm in 5.0 s without the cord slipping on the pulley. (a) What is the magnitude of the acceleration of the blocks? What are (b) tension T2 (the tension force on the block 2) and (c) tension T, (the tension force on the block 1)? (d) What is the magnitude of the pulley's angular acceleration? (e) What is its rotational inertia? Caution: Try to avoid rounding off answers along the way to the solution. Use g 9.81 m/s2. m4 m2 (a) Number Units (b) Number Units (c) Number Units (d) Number Units (e) Number Units

Chapter 10, Problem 051 In the figure, block 1 has mass m, = 440 g, block 2 has mass m2 = 530 g, and the pulley is on a frictionless horizontal axle and has radius R = 4.8 cm. When released from rest, block 2 falls 72 cm in 5.0 s without the cord slipping on the pulley. (a) What is the magnitude of the acceleration of the blocks? What are (b) tension T2 (the tension force on the block 2) and (c) tension T, (the tension force on the block 1)? (d) What is the magnitude of the pulley's angular acceleration? (e) What is its rotational inertia? Caution: Try to avoid rounding off answers along the way to the solution. Use g 9.81 m/s2. m4 m2 (a) Number Units (b) Number Units (c) Number Units (d) Number Units (e) Number Units

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter4: The Laws Of Motion

Section: Chapter Questions

Problem 23P: A bag of cement weighing 325 N hangs in equilibrium from three wires as suggested in Figure P4.23....

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block 1 has mass m1 = 460 g, block 2 has mass m2 = 520 g, and the pulley is on a frictionless horizontal axle and has radius R = 5.0cm. When released from rest, block 2 falls 74 cm in 5.4 s without the cord slipping on the pulley. (a)What is the magnitude of the acceleration of the blocks? What are (b) tension T2 (the tension force on the block 2) and (c)tension T1 (the tension force on the block 1)? (d) What is the magnitude of the pulley’s angular acceleration? (e) What is its rotational inertia? Caution: Try to avoid rounding off answers along the way to the solution. Use g = 9.81 m/s2.
In the figure, block 1 has mass m1 = 440 g, block 2 has mass m2 = 590 g, and the pulley is on a frictionless horizontal axle and has radius R = 5.4 cm. When released from rest, block 2 falls 78 cm in 5.3 s without the cord slipping on the pulley. (a) What is the magnitude of the acceleration of the blocks? What are (b) tension T2 (the tension force on the block 2) and (c) tension T1 (the tension force on the block 1)? (d) What is the magnitude of the pulley’s angular acceleration? (e) What is its rotational inertia? Caution: Try to avoid rounding off answers along the way to the solution. Use g = 9.81 m/s2.
In the figure, block 1 has mass m1 = 480 g, block 2 has mass m2 = 540 g, and the pulley is on a frictionless horizontal axle and has radius R = 5.4 cm. When released from rest, block 2 falls 77 cm in 5.1 s without the cord slipping on the pulley. (a) What is the magnitude of the acceleration of the blocks? What are (b) tension T2 (the tension force on the block 2) and (c) tension T1 (the tension force on the block 1)? (d) What is the magnitude of the pulley’s angular acceleration? (e) What is its rotational inertia? Caution: Try to avoid rounding off answers along the way to the solution. Use g = 9.81 m/s2. (A) Number: Unit: (B) Number: Unit: (C) Number: Unit: (D) Number: Unit: (E) Number: Unit:
An object of mass m1= 4. 00 kg is connected by a light cord to an object of mass m2= 3.00 kg on a frictionless surface. The pulley rotates about a frictionless axle and has a moment of inertia of 0.500 kg • m^2 and a radius of 0.300 m. Assuming that the cord does not slip on the pulley, Draw free-body diagrams for each block and the pulley. Find the acceleration of the two masses the tensions T1 and T2.
In the figure, block 1 has mass m1 = 460 g, block 2 has mass m2 = 520 g, and the pulley is on a frictionless horizontal axle and has radius R = 5.0cm. When released from rest, block 2 falls 74 cm in 5.4 s without the cord slipping on the pulley. (a)What is the magnitude of the acceleration of the blocks? What are (b) tension T2 (the tension force on the block 2) and (c) tension T1 (the tension force on the block 1)? (d) What is the magnitude of the pulley’s angular acceleration? (e) What is its rotational inertia? Caution: Try to avoid rounding off answers along the way to the solution. Use g = 9.81 m/s2.
11) A ball of mass 3.0 kg is suspended by two cables attached to a horizontal arm, which in turn is attached to a vertical pole, as shown in the graph. The pole is put into uniform rotation around its axis so that the linear speed of the ball is equal to 2.5 m / s. The tension in wire 2 is: Answers: a) 24 N b) 34 N c) 29 N d) 39 N e) 44 N
23. A highway has a flat section with a tight level curve of radius 40 m. If the coefficient of static friction between tires and pavement surface is 0.45, what is the maximum speed v at which the car of mass m can negotiate the curve safely – in other words, without the tires slipping? (Hint: the friction force between tires and pavement = coefficient of static friction times normal force) *use g=9.8 a. 18 m/s b. 23 m/s c. 15 m/s d. 13 m/s e. 10 m/s
A jet airplane is in level flight. The mass of the airplane is ?=8990 kg.m=8990 kg. The airplane travels at a constant speed around a circular path of radius ?=9.33 miR=9.33 mi and makes one revolution every ?=0.123 h.T=0.123 h. Given that the lift force acts perpendicularly upward from the plane defined by the wings, what is the magnitude of the lift force acting on the airplane?
. A mass of 0.50 kg hangs from the end of a rope that rotates in vertical circles of radius 2.0 m. When the string is horizontal, the speed of the mass is 8.0 m / s. What is the tension of the string in this position? a) 16 N b) 17 N c) 21 N d) 11 N e) 25 N
A coin is placed on a platform that makes 3 turns in 3.14s. Since money can stand 5cm away from the center without slipping, what is the magnitude of the acceleration acting on the coin?
On the International Space Station an object with mass m = 440 g is attached to a massless string of length L = 0.61 m. The string can handle a tension of T = 5.8 N before breaking. The object undergoes uniform circular motion, being spun around by the string horizontally.What is the maximum speed v the mass can have before the string breaks? Give your answer in units of m/s.
A bag of cement weighing 325 N hangs in equilibrium from three wires as suggested in Figure P4.23. Two of the wires make angles 1 = 60.0 and 2 = 40.0 with the horizontal. Assuming the system is in equilibrium, find the tensions T1, T2, and T3 in the wires. Figure P4.23 Problems 23 and 24.