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1. The opening picture for the chapter shows an optical illusion which makes a pencil in a water glass appear broken. Explain how the illusion is caused.
2. Based on the discussion in the chapter, would you expect an astronaut on the space station to see the stars "twinkle"? Explain.
3. What optical effect causes nearsightedness? Explain. What kind of lens is used to correct nearsightedness, and why does this work?
A bat strikes a 0.145 kg baseball. Just before impact, the ball is traveling horizontally to the right at 50.0 m/s, What is the horizontal component of the impulse the bat imparts to the ball
The dimensions of a parallel-plate capacitor are all increased by afactor of five. By what factor doesthe capacitance change? (The dimensions refer to the length and width of a plate and the spacing between the plates.)
A satellite has a geo-synchronos orbit around the earth. How far is it above the earth's surface
Physics - Mechanics - Buoyant Force, An undersea research chamber is spherical with an external diameter of 5.40 m. The mass of the chamber, when occupied, is 70400 kg.
A motorist pushes a stalled car with a constant force of 180 N at an angle of 45 degrees with the flat roadway. The car moves forward 34 m. How much work does the motorist do on the car?
If an asteroid with mass 6.22E+17kg has radius 32000m, what is the acceleration due to gravity near its surface
Two waves are traveling in the same direction along a stretched string. The waves are 90.0degrees out of phase. Find the amplitude of the resultant wave
The electric potential immediately outside a charged conducting sphere is 230 V, and 10.0 cm farther from the center of the sphere the potential is 140 V. Determine the charge on the sphere
If a student measures that the block begins to move at an angle of θ = 31o, what is the numerical value of the coefficient of static friction, μs?
A tow truck pulls a car 5.2 km along a horizontal roadway using a cable having a tension of 790.
consider two displacements one of magnitude 2.5 m and another of magnitude 4.1 m. what angle between the directions of
White light illuminates an oil film on water. Viewing it directly from above, it looks red. What is the refractive index of the oil
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