Engineers are designing a system by which a falling mass m imparts kinetic energy to a rotating uniform drum to which it is attached by thin, very ight wire wrapped around the rim of the drum (Figure 1). There is no appreciable triction in the axde of the drum, and everything starts from rest This system is being tested on earth, but it is to be used on Mars, where the acceleration due to gravity is 3.71 m/s. In the earth tests, when m is set to 15.0 kg and allowed to fall through 5,00 m. it gives 350.0 J of kinetic energy to the drum Part A If the system is operated on Mars, through what distance would the 15.0 kg mass have to fall to give the same amount of kinetic energy to the drurm? Express your answer with the appropriate units. HA hM Value Units Submit Request Answer Part B How fast would the 15.0 kg mass be moving on Mars just as the drum gained 350.0J of kinetic energy? Express your answer with the appropriate units. Figure 1 of 1 Value Units Submit Request Answer Drum Provide Feedback

Engineers are designing a system by which a falling mass m imparts kinetic energy to a rotating uniform drum to which it is attached by thin, very ight wire wrapped around the rim of the drum (Figure 1). There is no appreciable triction in the axde of the drum, and everything starts from rest This system is being tested on earth, but it is to be used on Mars, where the acceleration due to gravity is 3.71 m/s. In the earth tests, when m is set to 15.0 kg and allowed to fall through 5,00 m. it gives 350.0 J of kinetic energy to the drum Part A If the system is operated on Mars, through what distance would the 15.0 kg mass have to fall to give the same amount of kinetic energy to the drurm? Express your answer with the appropriate units. HA hM Value Units Submit Request Answer Part B How fast would the 15.0 kg mass be moving on Mars just as the drum gained 350.0J of kinetic energy? Express your answer with the appropriate units. Figure 1 of 1 Value Units Submit Request Answer Drum Provide Feedback

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Rigid Body

A rigid body is an object which does not change its shape or undergo any significant deformation due to an external force or movement. Mathematically speaking, the distance between any two points inside the body doesn't change in any situation.

Rigid Body Dynamics

Rigid bodies are defined as inelastic shapes with negligible deformation, giving them an unchanging center of mass. It is also generally assumed that the mass of a rigid body is uniformly distributed. This property of rigid bodies comes in handy when we deal with concepts like momentum, angular momentum, force and torque. The study of these properties – viz., force, torque, momentum, and angular momentum – of a rigid body, is collectively known as rigid body dynamics (RBD).

Question

Problem 9.64
Engineers are designing a system by which a falling mass m imparts kinetic energy to a rotating
uniform drum to which it is attached by thin, very light wire wrapped around the rim of the drum
(Figure 1). There is no appreciable friction in the axle of the drum, and everything starts from rest.
This system is being tested on earth, but it is to be used on Mars, where the acceleration due to
gravity is 3.71 m/s. In the earth tests, when m is set to 15.0 kg and allowed to fall through
5.00 m, it gives 350.0 J of kinetic energy to the drum.
• Part A
If the system is operated on Mars, through what distance would the 15.0 kg mass have to fall to give the same amount of kinetic energy to the drum?
Express your answer with the appropriate units.
μΑ
hM =
Value
Units
Submit
Request Answer
Part B
How fast would the 15.0 kg mass be moving on Mars just as the drum gained 350.0 J of kinetic energy?
Express your answer with the appropriate units.
μΑ
Figure
1 of 1>
U =
Value
Units
Submit
Request Answer
Drum
Provide Feedback

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