# Differences

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 public:misconceptions_on_galileo_s_experiment_at_pisa_tower [2019/07/24 07:36]fangfufu created public:misconceptions_on_galileo_s_experiment_at_pisa_tower [2019/07/24 07:37]fangfufu 2019/07/24 07:37 fangfufu 2019/07/24 07:37 fangfufu [The terminal velocity of an object] 2019/07/24 07:36 fangfufu created Next revision Previous revision 2019/07/24 07:37 fangfufu 2019/07/24 07:37 fangfufu [The terminal velocity of an object] 2019/07/24 07:36 fangfufu created Line 1: Line 1: ====== Misconceptions on Galileo'​s experiment at Pisa Tower ====== ====== Misconceptions on Galileo'​s experiment at Pisa Tower ====== - I think a lot of people have misconceptions on the implication of Galileo'​s experiment at Pisa Tower. Wikipedia says that Galileo "is said to have dropped two spheres of different masses from the Leaning Tower of Pisa to demonstrate that their time of descent was independent of their mass" [(https://​en.wikipedia.org/​wiki/​Galileo%27s_Leaning_Tower_of_Pisa_experiment)]. This experiment was even repeated on the surface of the moon. + I think a lot of people have misconceptions on the implication of Galileo'​s experiment at Pisa Tower. Wikipedia says that Galileo "is said to have dropped two spheres of different masses from the Leaning Tower of Pisa to demonstrate that their time of descent was independent of their mass" [(https://​en.wikipedia.org/​wiki/​Galileo%27s_Leaning_Tower_of_Pisa_experiment)]. This experiment was even repeated on the surface of the Moon. ​ Line 55: Line 55: In fact, the formula for terminal velocity $V_t$ is: In fact, the formula for terminal velocity $V_t$ is: $$V_t= \sqrt{\frac{2mg}{\rho A C_D }},$$ $$V_t= \sqrt{\frac{2mg}{\rho A C_D }},$$ - its derivation can be found here [([(https://​en.wikipedia.org/​wiki/​Terminal_velocity#​Derivation_for_terminal_velocity)])]. + its derivation can be found here [([(https://​en.wikipedia.org/​wiki/​Terminal_velocity#​Derivation_for_terminal_velocity)]. ==== Does the time of descent of an object depend on its mass? ==== ==== Does the time of descent of an object depend on its mass? ====
• public/misconceptions_on_galileo_s_experiment_at_pisa_tower.txt