Question

Derivation of expression KE=1/2 mv2​

Answer 1

Answer:

v2-u2=2as

this gives

s=v2-u2/2a__eq1

we know F=ma___eq2

using eq1 in eq2

w=ma*v2-u2/2a

or

w=1/2m(v2-u2)

if u is 0,then

w=1/2mv2

so,KE=1/2mv2

Answer 2

HEY SIS PLEASE REFER THE ATTACHMENT BELOW.......