Speed 2, Aceleration, Time graphs Flashcards by Tatenda Dzingirai | Brainscape

Q

what is a scalar

A

just a quantity

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Q

what is a vector

A

quantity with direction

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Q

examples of scalars

A

speed, distance, energy, mass

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Q

examples of vectors

A

force, acceleration, velocity, displacement

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Q

equation of speed

A

speed = distance moved/ time taken

v = d/t

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Q

equation of acceleration

A

acceleration = change in velocity / time taken

a= v-u / t

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Q

what is extension equation ( suvat without the t )

A

v2=u2 + 2as

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Q

distance time graph- stationary object

A

horizontal line

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Q

distance time graph- constant speed

A

straight diagonal line going up

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Q

distance time graph- acceleration

A

curved line going up

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Q

how do you calculate speed on distance time graph

A

using the gradient

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Q

velocity time graph- constant velocity ( speed )

A

horizontal line

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Q

velocity time graph- constant acceleration

A

straight diagonal line going up

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