PhysNov1

# PhysNov1 - November 1 Physics Match the picture to the word...

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November 1 Physics

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Match the picture to the word: 1. Diagram 2. Holograph 3. Scribe 4. Transcription 5. Manuscript 6. circumscribe A B C D E F
Objective : To continue our study of energy Success criteria: Be able to solve problems of work, kinetic energy and work/kinetic energy theorem .

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Homework check
Work: Work=force x distance Force and distance must be in the same direction

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Problem: A man pulls a train with a force of 40,000 N for a distance of 200 m. How much work was done?
Work = F x d Work = 40,000 (200)=8,000,000 J

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Types of energy: Kinetic
Kinetic energy

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Kinetic energy Energy of motion KE=½ mv 2
Problem: A 2000 kg bus is moving with a speed of 20 m/s. What is the kinetic energy of the bus?

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A bee flies from flower to flower with a velocity of 5 m/s. Its kinetic energy is .1 joules. What is its mass?
20,000 kg has a kinetic energy of 9 x 10 6 joules. How fast is it going?

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## This note was uploaded on 11/18/2011 for the course PHYS 121 taught by Professor Burgeson during the Fall '11 term at BYU.

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PhysNov1 - November 1 Physics Match the picture to the word...

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