Physics Key Equation and other Keywords form cp1- cp6

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  • Created by: roshan231
  • Created on: 30-12-18 15:38
What is the equation for velocity
Acceleration x time or distance/time
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Equation for acceleration?
a = v-u/t
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Equation for finding the resultant force?
F = m x a
3 of 22
For falling objects, what is the equation now? (weight)
W = m x g
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Equation for work done?
W = F x d
5 of 22
Equation for gravitational potential energy?
Ep = m x g x h
6 of 22
Equation for kinetic energy?
Ek= 1/2 x m x v2
7 of 22
Equation for momentum?
p = m x v (p= momentum)
8 of 22
What is activity?
The number of emissions per second
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Change in momentum
mv-mu
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What is displacement?
The change in objects position,(in a straight line), measured in meters
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What is inertial mass?
How hard it is to change the velocity of an object, m = f/a
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What is the relationship between acceleration and mass?
They are inversely proportional
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What is another equation for force?
force = (mv-mu)/t
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What is the correlation between weight and gravity?
They are directly proportional
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How do you calculate frequency?
F = 1/Time period of wave
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v2 - u2 =
2 x A x X
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Explain the conservation of energy
Energy can neither be created or destroyed
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Energy transfers in a closed system results in;
no net change to the total energy in that system
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How to reduce unwanted energy transfers (wasted energy)
For mechanical devices; lubrication to stop friction, to stop unwanted thermal transfers use insulation
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What is a wave length?
distance covered by a full cycle of the wave.
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How are radio waves produced
oscillation in electric current
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Other cards in this set

Card 2

Front

a = v-u/t

Back

Equation for acceleration?

Card 3

Front

F = m x a

Back

Preview of the back of card 3

Card 4

Front

W = m x g

Back

Preview of the back of card 4

Card 5

Front

W = F x d

Back

Preview of the back of card 5
View more cards

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