Equations Flashcards

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1
Q

What is the equation linking kinetic energy,mass and speed?

A

Kinetic energy=1/2 x mass x speed^2

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2
Q

What is the equation linking elastic potential energy,extension and spring constant?

A

Elastic potential energy= 1/2 x spring constant x extension^2

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3
Q

What is the formula to calculate Gravitational Potential Energy?

A

GPE= mass x gravitational field strength x height

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4
Q

What is the formula for weight?

A

Weight= mass x gravitational field strength

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5
Q

What is the equation for power energy and time?

A

Energy= power x time

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6
Q

What is the equation for specific heat capacity and energy?

A

energy=mass x specific heat capacity x temperature change

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7
Q

What is the equation for efficiency?

A

Efficiency= useful power output/total power input

Efficiency= useful energy output/total energy input

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8
Q

What is the equation linking charge current and time?

A

Charge= current x time

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9
Q

What is the equation linking potential difference current and resistance

A

Voltage= current x resistance

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10
Q

What is the equation for power current and voltage?

A

Power= current x voltage

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11
Q

What is the equation linking power current and resistance?

A

Power= current^2x resistance

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12
Q

What is the equation for energy transferred power and time?

A

Energy transferred= power x time

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13
Q

What is the equation for Charge voltage and energy transferred

A

Energy transferred= Charge x potential difference

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14
Q

What is the formula for density?

A

Density=mass/ volume

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15
Q

What is the formula for work done?

A

Work done=Pressure x volume

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16
Q

What is the formula for work done using distance?

A

Work done= force x distance

17
Q

What is Formula for force using sprint constant?

A

Force= spring constant x extension

18
Q

what is the formula for a moment of a force?

A

moment of a force= force x distance

19
Q

What is the formula of pressure?

A

Pressure= Force normal to a surface/Area of that surface

20
Q

What is formula for distance travelled?

A

Speed x time

21
Q

What is the formula for acceleration?

A

Acceleration=change in velocity/ time taken
Acceleration= final vel- initial vel/time taken

22
Q

what is the formula for resultant force?

A

Resultant force = mass x acceleration

23
Q

What is the formula for momentum?

A

Momentum= mass x velocity