A 1 kg block sliding to the right on a level, frictionless surface with a speed of 2 m/s collides and sticks to a second 1 kg block sliding to the left. After
the collision, the blocks are motionless. What was the speed of the second
1 kg block before the collision?

A 1 kg block sliding to the right on a level, frictionless surface with a speed

of 2 m/s collides and sticks to a second 1 kg block sliding to the left. After

the collision, the blocks are motionless. What was the speed of the second

1 kg block before the collision?

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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