50. With the positive z-axis chosen to he upwards, the Lagrangian of a particle of mass m failing under gravity is (b) -- m²² - mgz (c)m² +mgz (d) -mt² + mgz (a)
50. With the positive z-axis chosen to he upwards, the Lagrangian of a particle of mass m failing under gravity is (b) -- m²² - mgz (c)m² +mgz (d) -mt² + mgz (a)
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Transcribed Image Text:50. With the positive z-axis chosen to he upwards, the Lagrangian of a particle of mass m
failing under gravity is
(b) -m² .
- mg (e) m²
mg: (d) -m
(a) :
mg:
mg:
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