A 1.5-m tall woman stands 5.0 m in front of a camera with a 8.0 cm focal length lens. What is the size of the image formed on film?

a. 2.4 cm
c. 1.9 cm
b. 0.60 cm
d. 1.2 cm


A

Physics & Space Science

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A parallel plate of area 400 cm2 is dragged over a 0.20 cm thick layer of oil at a speed of 30.0 cm/s. It takes a force 1.20 N applied to the plate to sustain this speed. What is the viscosity of the oil?

A) 6.00 kg/(m?s) B) 20.0 kg/(m?s) C) 60.0 kg/(m?s) D) 0.200 kg/(m?s) E) 200 kg/(m?s)

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The loudness of a sound is related to the amplitude squared of the wave

Indicate whether the statement is true or false

Physics & Space Science