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energy Mechanical energy - PowerPoint Presentation

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Uploaded On 2019-06-27

energy Mechanical energy - PPT Presentation

POTENTIAL ELASTIC CHEMICAL GRAVITATIONAL FORMULA   Since the gravitational potential energy of an object is directly proportional to its height above the zero position a doubling of the height will result in a ID: 760443

potential energy youtube www energy potential www youtube watch https kinetic meters mass height roller point gravitational velocity tme

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Slide1

Slide2

energy

Slide3

Mechanical energy

Slide4

POTENTIAL

Slide5

ELASTIC

Slide6

CHEMICAL

Slide7

GRAVITATIONAL

Slide8

FORMULA

 

Slide9

Since the gravitational potential energy of an object is directly proportional to its height above the zero position, a doubling of the height will result in a doubling of the gravitational potential energy. A tripling of the height will result in a tripling of the gravitational potential energy.

Slide10

Kinetic energy

Slide11

FORMULA

 

Slide12

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Slide16

2. Calculate the potential energy of a 5.2 kg object that is perched 5.8 m above the ground.

Slide17

3

. The

potential energy of a rock is 6 joules. The rock is 3.0 meters high. What is the mass of the rock?

 

 

Slide18

4. Determine the potential energy of a 5 N book that is moved to three different shelves on a bookcase. The height of the first shelf is 1.0 meters, 2

nd

shelf 1.5 meters and 3

rd

shelf 2.0 meters.

Slide19

What would be necessary for an object to possess 0 joules of potential energy?

A young boy is soaring through the air on a glider, he possesses .80 joules of potential energy. If its speed is doubled and its height is doubled, then the new potential energy will be…

THINK

Slide20

Las Vegas

https://www.youtube.com/watch?v=1ezY6lt2jtg

Physics of Roller Coasters

https://www.youtube.com/watch?v=H3UQiuDej38

Mythbusters

Jamie

https://www.youtube.com/watch?v=_9-ju5ZRO_w

Slide21

Conservation of Energy

Wile E Coyotehttps://www.youtube.com/watch?v=Jnj8mc04r9E

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Point A: Potential Energy is the highest. (2000 J)

Kinetic Energy = 0 velocity = 0

TME= 2000 J mass=

h= 8m

Point B: PE = J Kinetic Energy = 1000 J velocity=TME= J mass = h= 4 m

Point C: PE = J Kinetic Energy = 2000 J velocity=TME= J mass = h= 0 m

Point D: PE = J

Kinetic Energy = J velocity

=

TME= J mass =

h= 2 m

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Slide27

How roller coasters work

how stuff works

National geographic

megastructures

https://www.youtube.com/watch?v=_

DzxvF9UnHE

Roller

coaster physics

https://

www.youtube.com/watch?v=H3UQiuDej38

Best of 2015

https://

www.youtube.com/watch?v=3BBBHXS2GWo

Batman

https://

www.youtube.com/watch?v=nRKBPulUmbg

Top

10 scariest

https://

www.youtube.com/watch?v=PaHhtJmP0VE

Top 10 in the world

https://www.youtube.com/watch?v=a7E9sTofX0Q

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Slide30

Use the law of conservation of energy (assume no friction) to fill in the blanks at the various marked positions for a 1000-kg roller coaster car.

Slide31

What’s the kinetic energy of a 12 kilogram beagle flying at 2 meters per second?

Copyright © 2010 Ryan P. Murphy

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