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1st science) Physics > Equations > Flashcards

Flashcards in Equations Deck (21):
1

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

Speed=distance÷time.

2

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

W=m*g.

3

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

F=k*e.

4

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

S=∆*t÷t.

5

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

F=m*a.

6

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

P=m*v.

7

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

Ek=(1÷2)*m*(v*v).

8

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

Ep=m*g*h.

9

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

P=E÷t.

10

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

P=W÷t.

11

What is the equation for wave speed?

V=ƒ*lamda.

12

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

Ω=I*t.

13

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

V=I*R.

14

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

P=V*I.

15

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

P= (I*I)*R.

16

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

E=P*t.

17

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

E=Ω*V.

18

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

p=m÷v.

19

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

Ee=(1÷2)*k*(e*e).

20

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

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

21

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

Efficiency= useful power output÷total power input.