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Energy > Better energy > Flashcards

Better energy Flashcards

1
Q

What is kinetic energy?

A

All moving things

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2
Q

Formula for energy and work

A

a dog WFS

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3
Q

Formula for weight and mass

A

W iggly M assey G rows

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4
Q

Formula for gravitational potential energy

A

Eg G M c H am

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5
Q

Formula for Kinetic energy

A

E very 0.5M V elocity squares

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6
Q

Formula for velocity

A

V=distance/time

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7
Q

Formula for elastic potential energy

A

E very 0.5
K ids E vaporate twice

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8
Q

Formula for efficiency

A

Useful output/total input

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9
Q

Formula for power

A

E very P lanet T urns

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10
Q

What does W stand for? Energy and work

A

Work

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11
Q

What is W measured in

A

Joules

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12
Q

What does F stand for?

A

Force

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13
Q

What is F measured in

A

Newtons

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14
Q

What does s stand for

A

Distance

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15
Q

What is s measured in

A

meters

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16
Q

What does w stand for? Weight and mass

A

Weight

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17
Q

What is w measured in

A

newtons

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18
Q

What does m stand for

A

Mass

19
Q

What is mass measures in

A

Kg

20
Q

What does g stand for

A

Gravitational field strength

21
Q

What is g measured in

A

N/kg

22
Q

What is gravity on earth

A

9.8 N/Kg

23
Q

What does Eg stand for

A

gravitational potential energy

24
Q

What does h stand for

A

Height

25
Q

What is height measured in

A

Meters

26
Q

What does Ek stand for

A

Kinetic potential energy

27
Q

What does v stand for

A

Velocity

28
Q

What is velocity measured in

A

M/s

29
Q

What does Ee stand for

A

Elastic potential energy

30
Q

What does k stand for

A

Spring constant(how easy it is to stretch higher the number the less stretchy

31
Q

What does k measure in

A

N/m

32
Q

What does e stand for

A

Extension

33
Q

How do you measure e

A

Meters

34
Q

What does p stand for

A

Power

35
Q

what is p measured in

A

Watts

36
Q

What is the principle of conservation of energy

A

Energy cannot be created or destroyed only transferred

37
Q

What are the 4 transfers of energy

A

Mechanical working
Electrical working
Heating by particles
Heating by radiation

38
Q

What is mass

A

measuring amount of physical material of an object

39
Q

What is weight

A

Is measuring the force from gravity

40
Q

What is GPE

A

energy stored in an object by its position above the ground

41
Q

What is kinetic energy

A

Is the energy stored by an objects movement

42
Q

What is elastic potential energy

A

The stretch of sn object

43
Q

What is power

A

Power is a measured of how quickly energy is transferred

Energy (3 decks)

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