P9 Flashcards

1
Q

Acceleration?

A

Change of velocity per second (in metres per second squared).

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2
Q

Deceleration?

A

Change of velocity per second when an object slows down.

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3
Q

Displacement?

A

Distance in a given direction.

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4
Q

Gradient (of a straight line)?

A

Change of the quantity plotted on the y-axis divided by the change of the quantity plotted on the x-axis.

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5
Q

Tangent?

A

A straight line drawn to touch a point on a curve so it has the same gradient as the curve at that point.

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6
Q

Velocity?

A

Speed in a given direction (in metres per second).

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