Formulas

Question 1

What is the formula for calculating speed?

Answer 1

Speed = Distance / Time

Question 2

What is the formula for calculating acceleration?

Answer 2

Acceleration = (Final Velocity - Initial Velocity) / Time

Question 3

What is the formula for calculating force?

Answer 3

Force = Mass × Acceleration

Question 4

What is the formula for calculating kinetic energy?

Answer 4

Kinetic Energy = 0.5 × Mass × Velocity²

Question 5

What is the formula for calculating potential energy?

Answer 5

Potential Energy = Mass × Gravitational Field Strength × Height

Question 6

What is the formula for calculating work done?

Answer 6

Work Done = Force × Distance × cos(θ)

Question 7

What is the formula for calculating power?

Answer 7

Power = Work Done / Time

Question 8

What is the formula for calculating momentum?

Answer 8

Momentum = Mass × Velocity

Question 9

What is the formula for calculating density?

Answer 9

Density = Mass / Volume

Question 10

What is the formula for calculating pressure?

Answer 10

Pressure = Force / Area

Question 11

What is the formula for calculating wavelength?

Answer 11

Wavelength = Speed of Wave / Frequency

Question 12

What is the formula for calculating frequency?

Answer 12

Frequency = 1 / Period

Question 13

What is the formula for calculating the period of a wave?

Answer 13

Period = 1 / Frequency

Question 14

What is the formula for calculating electric power?

Answer 14

Electric Power = Voltage × Current

Question 15

What is the formula for Ohm’s Law?

Answer 15

Voltage = Current × Resistance

Question 16

What is the formula for calculating gravitational force?

Answer 16

Gravitational Force = (G × m₁ × m₂) / r²

Question 17

What is the formula for calculating the volume of a cylinder?

Answer 17

Volume = π × Radius² × Height

Question 18

What is the formula for calculating the area of a triangle?

Answer 18

Area = 0.5 × Base × Height

Question 19

What is the formula for calculating the total resistance in a series circuit?

Answer 19

Total Resistance = R₁ + R₂ + R₃ + …

Question 20

What is the formula for calculating the total resistance in a parallel circuit?

Answer 20

1 / Total Resistance = 1 / R₁ + 1 / R₂ + 1 / R₃ + …

Question 21

What is the formula for calculating the energy transferred in an electric circuit?

Answer 21

Energy = Power × Time

Question 22

What is the formula for calculating the refractive index?

Answer 22

Refractive Index = Sin(Angle of Incidence) / Sin(Angle of Refraction)

Question 23

What is the formula for calculating the efficiency of a machine?

Answer 23

Efficiency = (Useful Energy Output / Total Energy Input) × 100%

Question 24

What is the formula for calculating the frequency of a simple harmonic oscillator?

Answer 24

Frequency = 1 / (2π × √(Mass / Spring Constant))

Question 25

What is the formula for calculating the change in temperature in Celsius?

Answer 25

ΔT = T_final - T_initial

Question 26

What is the formula for calculating the heat energy transferred?

Answer 26

Heat Energy = Mass × Specific Heat Capacity × ΔT

Question 27

fluid pressure?

Answer 27

density x height x gravitational field strength

Question 28

period of a pendulum?

Answer 28

total time /number of swings

Question 29

force?

Answer 29

change in momentum/time

Question 30

impulse?

Answer 30

change in momentum

Question 31

centripetal force?

Answer 31

(mass x velocity^2)/radius

Question 32

orbital period?

Answer 32

(2 x pi x radius)/velocity

Question 33

Heat energy?

Answer 33

mass x specific heat capacity x temperature change

Question 34

thermal capacity?

Answer 34

mass x specific heat capacity

Question 35

energy transferred?

Answer 35

mass x specific latent heat

Question 36

expansion?

Answer 36

original length x linear expansivity x temperature rise

Question 37

Work?

Answer 37

force x distance moved

Question 38

current?

Answer 38

charge / time

Question 39

voltage?

Answer 39

energy transferred / charge

Question 40

voltage?

Answer 40

resistance x current

Question 41

power?

Answer 41

current^2 x resistance

Question 42

power?

Answer 42

current x voltage

Question 43

energy transferred?

Answer 43

current x voltage x time

Question 44

energy transferred?

Answer 44

power x time

Question 45

resistance?

Answer 45

(resistivity x length) / area

Question 46

Wave speed?

Answer 46

frequency / wavelength

Question 47

frequency?

Answer 47

1 / period

Question 48

refractive index?

Answer 48

sine of the angle of incidence / sine of the angle of refraction

Question 49

refractive index?

Answer 49

speed of light in a vacuum / speed of light in material

Question 50

refractive index?

Answer 50

1 / sine of critical angle

Question 51

nuclear energy?

Answer 51

mass defect x speed of light^2