Estimate the thickness of the oil film
A thin film of oil (n=1.4) floats on water (n=1.33). When sunlight is incident at right angles to this film, the only colors that are absent from the reflected light are blue (458nm) and red (687nm). Estimate the thickness of the oil film.
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Calculate g for space shuttle territory, 280 kilometers above the Earth's surface (dashed line in sketch). Earth's mass is 6 1024 kg, and its radius is 6.38 106 m (6380 km).
Loudspeaker are connected in paraelle across the terminals of an amplifier. assuming the speakers behave as resistors, calculate the equivilent resistance of the two speakers.
How are thinking, intelligence, and creativity related? Does one's creativity illustrate anything about his or her thinking processes or level of intelligence?
Summarize the four major theories of emotion. Identify which theory of emotion you think is the most valid. What makes this theory more valid to you than the others?
The only colors that are absent from the reflected light are blue (458nm) and red (687nm). Estimate the thickness of the oil film.
What is the velocity (magnitude and direction) of train A as seen by the passengers in train B? (b) What is the velocity (magnitude and direction) of train B as seen by the passengers in train A?
A 0.50 kg ball that is tied to the end of a 1.2 m light cord is revolved in a horizontal plane with the cord making a 30° angle, with the vertical. a) Determine the ball's speed.
A force vector has a magnitude of 578 newtons and points at an angle 43o of below the positive x axis. What are (a) the x scalar component and (b) the y scalar component of the vector?
A 160 g block is attached to a horizontal spring and executes simple harmonic motion with a period of 0.150 s. If the total energy of the system is 2.50 J. Find the force constant of the spring Find the amplitude of the motion.
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