Acceleration and Velocity-Time Graphs Flashcards

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1
Q

What is acceleration?

A

How quickly velocity is changing.

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2
Q

Acceleration is not the same as what 2 things?

A

Velocity.

Speed.

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3
Q

The change in velocity can be what 2 things?

A

Change in speed.

Change in direction.

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4
Q

What is the formula for acceleration?

A

Change in velocity divided by time taken.

Equals acceleration.

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5
Q

What is V?

A

The final velocity.

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6
Q

What is U?

A

The initial velocity.

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7
Q

What does (v-u) mean?

A

Working out the ‘change in velocity’.

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8
Q

What is the unit for acceleration?

A

m/s2.

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9
Q

What is the gradient on the graph?

A

Acceleration.

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10
Q

Flat sections represent…

A

Steady speed.

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11
Q

The steeper the graph…

A

The greater the acceleration/deceleration.

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12
Q

The area under any section of the graph is equal to what?

A

Distance travelled in that time interval.

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13
Q

A curve means…

A

Changing acceleration.

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14
Q

Workout the ….

A

Shaded area.

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15
Q

After you work out the shaded are…

A

Times it by the velocity.

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16
Q

How far on V - t graph?

A

1/2 b x h