science test Flashcards

1
Q

SI UNITS FOR distance

A

metre

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2
Q

SI UNITS FOR TIME

A

seconds

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3
Q

SI UNITS FOR speed

A

metres per second

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4
Q

SI UNITS FOR acceleration

A

metres per second squared

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5
Q

distance meaning

A

how far the object travelled.

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6
Q

displacement meaning

A

Change in position of an object

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7
Q

velocity meaning

A

the speed of something in a given direction

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8
Q

equation of velocity

A

v=distance/time

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9
Q

equation for acceleration

A

final velocity-intial velocity/time

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10
Q

Equation for speed

A

Speed = Distance ÷ Time

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11
Q

scalar quantities

A

has a magnitude of velocity

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12
Q

vector

A

quantity that has both magnitude and direction

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13
Q

speed

A

rate at which something travels

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14
Q

independent variable

A

variable that is changed

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15
Q

dependant variable

A

variable that is measured

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16
Q

controlled variable

A

unchanged

17
Q

acceleration meaning

A

increase in speed or rate

18
Q

force formula

A

mass x acceleration

19
Q

how to calculate the area of a triangle

A

1/2xbxh

20
Q

calculate the area of a rectangle

A

bxh

21
Q

how to convert units from k/h to m/s

A

divide by 3.6

22
Q

calculating average velocity

A

displacement/time

23
Q
A