Answer:
kinetic energy of glider = -0.376 j
Explanation:
Original distance by which the spring is compressed can be determine by using law of conservation of energy (As spring slide from glider, it gain some potential energy. On the top of track there is glider’s potential
energy exist)

where x is compressed distance by spring
height of track is calculated as


where l is distance covered by glider, theta angle is the angle of inclination of track
therefore, we have formula for x as


x = 0.039 m
kinetic energy of glider = potential energy by spring - potential energy at 1.50 distance

kinetic energy of glider = -0.376 j
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Hey there,
The answer to your question is:
Option A
A) The wiring contained a short circuit, so the reduced resistance caused an increase in current.
- Ari -
4.333333 kilometers an hour