31. A child on a sled starts from rest at the top of a 15° slope. If the trip to the bottom takes 15.2 s, how long is the slope? Assume that frictional forces may be neglected. a) 293 m b) 586 m c) 1130 m d) 147 m

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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