Important Equations Flashcards by Elsie Rushworth

Q

Kinetic energy =

A

1/2 x mass × velocity^2

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Efficiency of energy transfer =

A

Useful energy output ÷ total energy input

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Power =

A

Energy transferred ÷ time

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Substance radiation =

A

Total radiation - background radiation

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Equation for average speed

A

Velocity = distance ÷ time

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Acceleration equation

A

Acceleration = change in velocity ÷ time taken

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Weight =

A

Mass x gravitational field strength

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

The rate of change in momentum is equal to what?

A

Force

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Wave frequency =

A

Number of oscillations ÷ time

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Magnification of a lens =

A

magnification=image height÷object height

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Force =

A

Mass x acceleration

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

GPE=

A

mass x gravity x height

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Momentum (P) =

A

Mass x velocity

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Wave velocity =

A

Frequency x wavelength
OR
Distance divided by time

How well did you know this?

1

Not at all

2

3

4

5

Perfectly