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## Homework Statement

the kinetic energy,

*E*joules, of an object moving with a speed

*v*m/s, is directly proportional to

*v*^2.

the kinetic energy of the object is 15 480 joules when its speed is 6 m/s.

a) find a formula for

*E*in terms of

*v*

## Homework Equations

none

## The Attempt at a Solution

Ev (proportional sign) v^2

Ev = kv^2

15480 x 6 = k x 6^2

92 880 = k x 36

k = 2580

Ev = 2580 x v^2

E = 2580v

thnx for the help