SP1: Vectors and Scalars Flashcards

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1
Q

what’s a vector

A

anything with both magnitude and direction

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2
Q

what’s a scalar

A

anything whith just magnitude

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3
Q

4 types of scalars

A

time,energy,mass,distance

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4
Q

4 types of vectors

A

displacement,force,magnitude,friction

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5
Q

how to find speed

A

speed=distance/time s=d/t

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6
Q

how to find acceleration (with time)

A

acceleration= final vel-starting vel/time a= (v-u)/t

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7
Q

how to find acceleration (with distance)

A

v2 - u2 = 2ax

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8
Q

what does the gradient mean in a distance/time graph

A

it represents the speed

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9
Q

what does the gradient mean in a velocity/time graph

A

represents the acceleration

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10
Q

average speeds of : walking, running,cars,wind,trains,sound in air

A
walk= 5 km/h
r= 11 km/h
c= 47 km/h
wind= 5-20 m/s
trains= 200 km/h
s= 340 m/s
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11
Q

what does a curve mean in a graph

A

acceleration

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