Experiments (ii), (iii) and (v) have equally likely outcomes due to symmetry and equal chance. Experiments (i) and (iv) are not equally likely because mechanical conditions bias car starting and blue marbles outnumber red ones.
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The young athlete must have felt immense relief, comfort and deep gratitude. Having his shattered spirits restored by his competitors’ kindness helped soothe his intense embarrassment, emotional distress and physical pain.
The overall mood is deeply heartwarming, inspiring and uplifting. Although it contains a brief moment of tension and heartbreak, it culminates in feelings of universal harmony, mutual respect, compassion and shared triumph.
The gain in potential energy is 36250 joules in both cases, calculated by multiplying mass, gravity and height. Gravitational potential energy depends only on vertical height and is completely independent of the path taken.
Statements (ii), (iii) and (v) are True, while (i) and (iv) are False. Work requires displacement and a motionless stretched rubber band stores potential energy rather than possessing kinetic energy due to lack of motion.