A ball is thrown up in the air for 1 second and has a displacement of 5 m. Assume the ball is under the influence of gravity. a = -10 m/s. Determine the
initial velocity of the ball.
d=yt+at

battery with hi vtge high val resist in series

electrical potential energy =0.072 j

explanation:

electrical potential energy is given by

u= q δv

q= charge=6 c

δv= potential difference and is given by

δv= e d

e= electric field

d= distance=5 mm=0.005 m

δv=2.4 (0.005)=0.012 v

now electric potential energy= u= q δv

u=6 (0.012)

u=0.072 j

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.