Key Words Flashcards

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1
Q

Wavelength

A

The distance between 2 adjacent peaks

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2
Q

Frequency

A

The number of wavelengths that pass a point per unit time

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3
Q

Progressive wave

A

transfers energy from one place to another

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4
Q

Transvers

A

Oscillations that travel perpendicular to propagation

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5
Q

Speed of a wave

A

C = fwavelength

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6
Q

Period

A

The time taken for one complete oscillation

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7
Q

Frequency =

A

1/t

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8
Q

Velocity

A

The rate of change of displacement

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9
Q

Acceleration

A

Rate of change of velocity

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10
Q

Acceleration =

A

Change in v/ change in t

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11
Q

Force

A

M x a

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12
Q

Momentum =

A

mv

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13
Q

Force

A

Rate of change of momentum

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14
Q

Kinetic energy =

A

1/2 mv^2

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15
Q

Gravitational potential energy

A

mg^h

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16
Q

Power

A

The rate of conversion of energy

17
Q

Power

A

W/t or fv

18
Q

Density

A

m / v

19
Q

Hooke’s law

A

K change in L

20
Q

Weight

A

M x g

21
Q

Current

A

^Q/^t

22
Q

Voltage =

A

W/Q

23
Q

Volt

A

1 joule per coulomb

24
Q

Resistivity =

A

RA/l