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Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

Jan 03, 2016

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Page 1: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

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Page 2: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

500

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Potential Energy

WorkWork-Energy

Theorem

Kinetic Energy

Power

200

Work-Power-Energy

Page 3: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

If a force of 1000 N is exerted on a building that does not

move how much work is done?

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Page 4: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

No work is done because there is no

displacement.

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Page 5: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

Category One for $200

The equation for work is ________________?

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Page 6: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

W = F d

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Page 7: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

What is the correct unit for work and its abbreviation?

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Page 8: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

joule (J)

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Page 9: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

Category One for $400

How much work is done if you raise a 2 N weight 1.5 m above the ground?

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Page 10: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

3 J

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Page 11: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

Who does more work:A 40 kg man who climbs 2.0 m or a 35 kg woman

who climbs 2.5 m?

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Page 12: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

The woman did 857.5 J of work and the man did 784 J of work.

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Page 13: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

The unit for power is _________?

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Page 14: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

Watt

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Page 15: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

In order to find power you must have 2

variables. What are they?

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Page 16: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

Work and time

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Page 17: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

The unit of power is the watt. What is the unit

equivalent to one watt?

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Page 18: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

One joule per second

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Page 19: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

How much power is developed by an electric motor that moves a 200 N load a distance of 80

m in 7 s.

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Page 20: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

2285.6 W

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Page 21: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

How much power is generated by a machine

in lifting 100 kg a distance of 125 m in

38 s.

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Page 22: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

3,223 W

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Page 23: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

The unit for Kinetic Energy is __________?

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Page 24: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

joule (J)

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Page 25: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.
Page 26: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

If velocity doubles what happens to the total amount of KE?

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Page 27: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

It quadruples

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Page 28: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

Category Three for $300

A 5 kg mass moving at 10 m/s has how

much KE?

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Page 29: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

250 J

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Page 30: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

Category Three for $400

In order to find the KE of a 2kg skateboard traveling a

distance of 100m, what measuring device would

you need?

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Page 31: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

A stopwatch

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Page 32: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

A child has a mass of 35 kg and total KE of 180 J, what is their velocity?

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Page 33: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

3.2 m/s

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Page 34: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

Change in KE is equal to ______________?

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Page 35: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

Work

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Page 36: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

Category Four for $200

KE final minus KE initial is equal to what?

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Page 37: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

Change in KE or delta KE

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Page 38: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

If a 2kg ball starts at rest and then accelerates to 5m/s, how much work was done on the ball?

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Page 39: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

25 J

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Page 40: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

If work done on an object is negative, what

is happening to it’s velocity?

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Page 41: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

The velocity is decreasing.

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Page 42: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

If a 1000kg car starts at 20m/s and then

speeds up to 35m/s how much work has

the engine done?

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Page 43: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

412,500 J

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Page 44: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

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The symbol for gravitational potential energy is _________?

And for elastic potential energy? __________

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Page 45: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

PEg

&

PEelasticBack to

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Page 46: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

Does a large mass or a small mass held at the same height have

more PE?

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Page 47: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

The large mass has more PE

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Page 48: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

Name the 3 components needed to calculate

gravitational PE & the 2 components to calculate

elastic PE.

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Page 49: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

Mass (m), acceleration due to gravity (g) and height (h) & spring constant (k) and

distance stretched or compressed (x)

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Page 50: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

A 45kg diver is at the top of a 10m

platform. What is her PEg?

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Page 51: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

4410 J

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Page 52: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

A spring has a spring constant of 52.4 N/m and

is stretched 8 m. How much PEelastic is stored in

the spring?

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Page 53: Sub title 500 100 200 300 100 300 200 300 200 100 200 500 300 100 400 Potential Energy Work Work- Energy Theorem Kinetic Energy Power 200 Work-Power-Energy.

1676.8 J

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