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P.E- Mr Hand > 7. Time graphs > Flashcards

7. Time graphs Flashcards

1
Q

Distance definition

A

Total length of path covered from start to finish

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2
Q

Distance calculation

A

measured

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3
Q

Distance unit of measurement

A

metres (m)

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4
Q

Displacement definition

A

Shortest straight line route from start to finish

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5
Q

Displacement calculation

A

metres (m)

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6
Q

Speed definition

A

Rate of change of distance

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7
Q

Speed calculation

A

speed = distance/ time

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8
Q

Speed unit of measurement

A

m/s

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9
Q

Velocity definition

A

The rate of change of displacement

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10
Q

Velocity calculation

A

Velocity = displacement/ time

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11
Q

velocity measurement

A

m/s

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12
Q

Acceleration/ deceleration definition

A

The rate of change of velocity

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13
Q

Acceleration equation

A

acceleration = (final velocity- initial velocity)/ time

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14
Q

Acceleration unit of measurement

A

m/s/s

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15
Q

What does a distance/ time graph show?

A

Shows the distance a body travels over a period of time.

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16
Q

What does the gradient of the curve indicate on a distance/ time graph?

A

The speed of the body at a particular instant and will show whether a body is at rest, is travelling with constant speed or is accelerating or decelerating.

17
Q

What does a speed/ time graph show?

A

Shows the speed of a body over a period of time

18
Q

What does the gradient of the curve on a speed/time graph indicate?

A

The acceleration of the body at a particular instance and will show whether a body is at rest, is travelling with constant speed or is accelerating or decelerating.

19
Q

What does a velocity/ time graph show?

A

The velocity of a body over a period of time.

A velocity time graph can also show any change in direction the body makes.

20
Q

What does the gradient of the curve on a velocity/time graph show?

A

The acceleration of the body at a particular instant and will show whether a body is at rest, is travelling with uniform velocity or is accelerating or decelerating

A negative curve below the horizontal axis represents a change in the body’s direction.

P.E- Mr Hand (9 decks)

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