What is the horizontal distance of the center of gravity of the person-ladder system from the point where the ladder touches the ground?

small = small current large mag large current

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54 degrees incident angle = reflected angle

angle is from normal turned to line of ray

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