A hotel elevator ascends 240 m with a maximum speed of 5.8, Ask an Expert

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Q1. A person working on the transmission of a car accidentally drops a bolt into a tray of oil. The oil is 5.00 cm deep. The bolt appears to be 3.40cm beneath the surface of the oil, when viewed from directly above. What is the index of refraction of the oil?

Q2. A hotel elevator ascends 240 m with a maximum speed of 5.8 m/s. Its acceleration and deceleration both have a magnitude of 1.0 m/s2.

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