More Equations

Question 1

What is the equation to work out gravitational potential energy?

Answer 1

Gravitational potential energy=mass×Gravitational field strength×height

Question 2

What is the equation to find out the force exerted by a spring?

Answer 2

Force exerted by spring=extension×spring constant

Question 3

What is the equation to find out wave speed wave length or frequency?

Answer 3

Wave speed=frequency×wavelength

Question 4

What is the equation to work out the density of an object?

Answer 4

Density=mass÷volume

Question 5

What is the equation relationship including final speed initial speed, acceleration and distance?

Answer 5

(Final speed)2-(initial speed)2=2×acceleration×distance

Question 6

What is the equation to find out force being made from an electro magnetic composition?

Answer 6

Force=magnetic flux density×current×length of conductor

Question 7

The equation involved in finding the potential difference on the primary coil and secondary coil?

Answer 7

P.d across primary coil×current in primary coil =potential duff across 2nd coil×current in 2nd coil

Question 8

What is the relationship equation to find number of coils on either sides of a transformer?

Answer 8

P.d across primary coil÷p.d across 2nd coil=number of turns in primary coil ÷ number of turns in secondary coil