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1st science) Physics > Equations > Flashcards

Equations Flashcards

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1
Q

What is the equation that links speed, distance and time?

A

Speed=distance÷time.

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2
Q

What is the equation that links weight, mass and gravitational field strength?

A

W=m*g.

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3
Q

What is the equation that links force, spring constant and extension?

A

F=k*e.

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4
Q

What is the equation that links acceleration, change in velocity and time taken?

A

S=∆*t÷t.

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5
Q

What is the equation that links resultant force, mass and acceleration?

A

F=m*a.

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6
Q

What is the equation that links momentum, mass and velocity?

A

P=m*v.

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7
Q

What is the equation that links kinetic energy, 0.5mass(speed*speed)?

A

Ek=(1÷2)m(v*v).

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8
Q

What is the equation that links gravitational potential energy, mass, gravitational field energy and height?

A

Ep=mgh.

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9
Q

What is the equation that links power, energy transferred and time?

A

P=E÷t.

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10
Q

What is the equation that links power, work done and time?

A

P=W÷t.

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11
Q

What is the equation for wave speed?

A

V=ƒ*lamda.

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12
Q

What is the equation that links charge flow, current and time?

A

Ω=I*t.

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13
Q

What is the equation that links potential difference current and resistance?

A

V=I*R.

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14
Q

What is the equation that links power, potential difference and current?

A

P=V*I.

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15
Q

What is the equation that links power, current and resistance?

A

P= (II)R.

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16
Q

What is the equation that links energy transferred, power and time?

A

E=P*t.

17
Q

What is the equation that links energy transferred, charge flow and potential difference?

A

E=Ω*V.

18
Q

What is the equation that links density, mass and volume?

A

p=m÷v.

19
Q

What is the equation that links elastic potential energy 0.5 spring constant and extension?

A

Ee=(1÷2)k(e*e).

20
Q

What is the equation that links efficiency, useful power output and total input energy transfer?

A

Efficiency = useful output energy transfer÷total input energy transfer.

21
Q

What is the equation that links efficiency, useful power output and total power input?

A

Efficiency= useful power output÷total power input.

1st science) Physics (17 decks)

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