Suppose the Gautrain that goes to O. R. Tambo Airport, travels at a speed of 0.5 c. if you as

Suppose the Gautrain that goes to O. R. Tambo Airport, travels at a speed of 0.5 c. if you as a passenger on the train drops a shiny stainless steel ball bearing (r = 1.25 cm) from a height of 2.06 m. What would be the time measured by the passenger, and a stationary observer for the ball bearing to fall to the floor?

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