Paper One Flashcards

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1
Q

Kinetic energy equation and units

A

Ek= 1/2 x mass(kg) x velocity^2 (m/s)^2

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2
Q

Gravitational poetry energy equation and units

A

Ep = mass(kg) x gravity(N/kg) x height(m)

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3
Q

Power one

A

Power (W) = Energy(J) / time(seconds)

Energy is the same as workdone

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4
Q

Efficency

A

Efficiency = useful power out / total power in

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5
Q

Charge

A

Charge(C) = Current (Amps) x Time(seconds)

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6
Q

Voltage

A

Voltage(V) = Current (A) x Resistance (Ohms)

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7
Q

Power (electric one)

A

Power(W) = Voltage(V) x Current (A)

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8
Q

Power ( electric two)

A

Power(W) = current^2(A)^2 x resistance (ohms)

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9
Q

Energy transferred

A

Energy(J) = charge (C) x Voltage(V)

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10
Q

Density

A

Density (Kg/m^3) = mass (kg) / volume (m^3)

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11
Q

Weight

A

Weight(N) = mass(kg) x Gravity (N/kg)

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12
Q

Work done

A

Work done (J) = Force(N) x Distance (m)

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13
Q

Elastic force

A

Force (N) = spring constant (N/m) x extension(m)

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14
Q

Force

A

Force(N) = Mass(kg) x Acceleration (m/s^2)

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15
Q

Elastic potential energy

A

Ee(J) = 1/2 x spring constant (N/m) x extension^2 (m^2)

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16
Q

Specific heat capacity

A

Energy(J) = mass(Kg) x specific heat (J/kg) x temp change (degrees)