# p2

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• Created by: coyne0410
• Created on: 19-05-15 18:02
whats the difference between speed and velocity?
speed is how fast you are going and velocity is speen in a given direction
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what does the gradient on a distance-time graph show?
how fast the object is travelling
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what is acceleration?
how quickly the
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what formula relates work done, potential difference or charge ?
potential difference
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three uses of LEDs
digital clocks, traffic light and remote controls
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describe how the resistance of an LDR varies with light intensity. describe on use of an LDR
A light-dependent resistor is a resistor that depends on intensity of light. in bright light, the resistance falls. in darkness, the resistance is highest. they have lots of uses including automatic night lights, outdoor lighting, burglar detectors
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## Other cards in this set

### Card 2

#### Front

what does the gradient on a distance-time graph show?

#### Back

how fast the object is travelling

### Card 3

#### Front

what is acceleration?

### Card 4

#### Front

what formula relates work done, potential difference or charge ?

### Card 5

#### Front

three uses of LEDs