Equations

Question 1

Speed, distance, time

Answer 1

Speed = distance/ time

Question 2

Force, mass, accélération

Answer 2

Force= mass x accélération

Question 3

Accélération, change in velocity, time

Answer 3

Accélération= change in velocity/ time

Question 4

Momentum, mass, velocity

Answer 4

Momentum= mass x velocity

Question 5

Density, mass, volume

Answer 5

Density= mass/ volume

Question 6

Work done, distance moved, force

Answer 6

Work done = force x distance moved

Question 7

kinetic energy, mass, speed

Answer 7

KE= 1/2 x mass x speed^2

Question 8

gravitational potential energy, mass, g, height

Answer 8

GPE= mass x g x height

Question 9

Pressure, force, area

Answer 9

Pressure = force/ area

Question 10

Moment, force, perpendicular distance from pivot

Answer 10

Moment = force x perpendicular distance form the pivot

Question 11

Charge, current, time

Answer 11

Charge= current x time

Question 12

Voltage, current, resistance

Answer 12

Voltage = current x resistance

Question 13

Power, voltage, current

Answer 13

Power = voltage x current

Question 14

Wave speed, frequency, wavelength

Answer 14

Wave speed = frequency x wavelength

Question 15

n, i, r

Answer 15

n= sin(i)/sin(r)

Question 16

c, n

Answer 16

sin(c)= 1/n

Question 17

Pressure difference, height, density, gravitational field strength

Answer 17

p= h x d x g

Question 18

input power, output power

Answer 18

VpIp= VsIs