Which is false about simple machines?
(A) Machines increase the amount of work which is done.
(B.) Machines may multiply force.
(C.) Machines may increase the rate at which work is done.
(D.) Machines can change the direction of a force to suit human convenience.

a=d/t

a="triangle"v/t

explanation:

a = acceleration

energy stored in the capacitor= 9.72 x 10⁻⁴ j

explanation:

the energy stored in the capacitor is given by

e= 1/2 c v²

e= energy stored

c= capacitance= 1.5 µc= 1.5 x 10⁻⁶f

v= potential difference=36 v

so energy stored= e= 1/2 (1.5 x 10⁻⁶) (36)²

energy stored= 9.72 x 10⁻⁴j

blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.