Mastering Physics Solutions. Chapter 10 Rotational Kinematics and Energy Q. Do all points on the object have the same linear speed? Explain Solution: Yes, all points on the rigid object have the same angular speed.

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Give an example if your answer is yes. Solution: Yes Tangential acceleration is caused by a changing tangential speed. If you drive a car in a circular path with constant speed.

Solution: If you are traveling in a circular path. As the wheel rotates with a constant angular speed, your friend poses the following questions: a is my linear velocity constant? What is your answer to each of these questions? Solution: We know that the moment of inertia of an object depends on its mass, shape. When the spot has traveled a linear distance of 1. Give your answer in radians. How might you tell which of these spheres is hollow and which is solid?

The cans are identical in diameter and. Rolling both of them down the aisle with the same initial speed, you notice that the can of chunky stew rolls much farther than the can of broth. What are a the angular speed of the disk and b the linear speed of a point on the rim of the disk? Note: A 3. What is the acceleration of the propeller? Through what angle did the propeller turn during this time? When turned off, it slows uniformly to a stop in2.

This is accomplished by spinning a sample around in a circle with a large angular speed. Suppose that after a centrifuge in a medical laboratory is turned off, it continues to rotate with a constant angular deceleration for In the year the Earth took about 0. What was the average angular acceleration of the Earth during this time? Solution: a The CD moves speeds up with uniform velocity. Initially we determine the angular acceleration to determine the angular displacement.

Jason is a distance R from, the axis of rotation; Betsy is a distance 2R from the axis.This quiz covers Chapter 10 in physics involving problems over work, power, and energy. Forgot your password? Speak now. Please take the quiz to rate it. All questions 5 questions 6 questions 7 questions 8 questions 9 questions 10 questions. Feedback During the Quiz End of Quiz. Play as Quiz Flashcard.

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Questions and Answers. Remove Excerpt. Removing question excerpt is a premium feature. A pulley system consits of two fixed pulleys and two movable pullys that lift a load that has a weight of N. If the effort force used to lift the load is N, What is the mechnaical advantage of the system? The box in the diagram is being pushed up the ramp with a force of N.

If te height of the ramp is 3. A compound machine used to raise heavy boxes consists of a ramp and a pulley. A skater is a mass of 50 kg slides across an icy pond with negligible friction. As he approaches a frienD, both he and his friend hold out their hands, and the friend exerts a force in the direction opposite to the skater's movement, which slows the skater's speed from 2.

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### Physics Chapter 10 Energy, Work, And Simple Machines

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Chapter 15 Description. Chapter 16 Description.This quiz covers Chapter 10 in physics involving problems over work, power, and energy. Forgot your password? Speak now. Please take the quiz to rate it. All questions 5 questions 6 questions 7 questions 8 questions 9 questions 10 questions. Feedback During the Quiz End of Quiz. Play as Quiz Flashcard. Title of New Duplicated Quiz:.

Duplicate Quiz Cancel. More Energy Quizzes. Test Your Knowledge On Energy! Do You Give Too Much? Energy Systems. Featured Quizzes. The Office Trivia Quiz! Related Topics. Questions and Answers. Remove Excerpt. Removing question excerpt is a premium feature. A pulley system consits of two fixed pulleys and two movable pullys that lift a load that has a weight of N. If the effort force used to lift the load is N, What is the mechnaical advantage of the system? The box in the diagram is being pushed up the ramp with a force of N.

If te height of the ramp is 3. A compound machine used to raise heavy boxes consists of a ramp and a pulley.

A skater is a mass of 50 kg slides across an icy pond with negligible friction. As he approaches a frienD, both he and his friend hold out their hands, and the friend exerts a force in the direction opposite to the skater's movement, which slows the skater's speed from 2.

What is the change in the skater's kinetic energy? A A 20 N block is attached to the end of a rope and the rope is looped around a pulley system. If you pull the opposite end of the rope a distance of 2. What is the pulley system's ideal mechanical advantage? Two people carry identical 40 N boxes up a ramp. The ramp is 2. One person walks up the ramp is 2. What is the difference in power the two people use to carry the boxes up the ramp? A 4N soccer ball sits motionless on a field.

How much kinetic energy does the ball gain from the player?

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