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One of ways that a forensic scientist can figure out the make and model of a car from a “hit and run” collision is if they can pick up a piece of plastic from the headlight of the car. The plastics in a car tend to be dissimilar for different makes and models of cars and thus have different indices of refraction which you can find in a table. If you were given a flat piece of plastic from a hit and run, write down a procedure to figure out what type of car was involved in the hit and run. If you put a penny in a coffee cup and look at just the edge of the penny over the rim of the cup and then fill the cup with water, do you see more of the penny, less of the penny or the same amount as the penny as you did without the water? Explain your answer. (A sketch is very useful for this question.) Up until this point, we have assumed that all colors of visible light all have the same index of refraction. This is not completely true. The reason that rainbows form is since many materials have different index of refractions for different colors. If we have a block of plastic similar to what we used in lab and we shine all the colors on it (white light) we will create a rainbow. The light that bends the most is the blue light and the light that bends the least is the red light. Which color has the highest index of refraction when inside plastic block?
An osprey’s call is a distinct whistle at 2200 {rm Hz}. An osprey calls while diving at you, to drive you away from her nest. You hear the call at 2300 {rm Hz}. Explain how fast is the osprey approaching?
A series RLC circuit has components with following values: L = 20.0 mH, C = 100 nF, R = 20.0 Ohm, and dVmax = 100 V, Calculate the average power in the resistor at resonance
A3.50kg object is attached to a spring and placed on a horizontal, smooth surface. A horizontal force of24.0N is required to hold the object at rest when it is pulled 0.200 m from its equilibrium position.
A small insect is placed 7.90cm from a +8.00%u2212cm -focal-length lens. Calculate the position of the image
if your body has a density of 967 kg/m^3, What fration of you will be submerged when in salt water? the density of salt water is 1025 kg/m^3
After the collision (assumed elastic), the second ball is moving along the positive y axis. Elucidate the final direction of the first ball, and what are their two speeds?
Two long straight wires carrying the same current I and separated by a distance r exert a force F on each other. What will be the force between two wires
Illustrate what are the distinguishing characteristics of the EMTN and explain why it is such a popular form of financing for MNEs?
Consider a steam turbine in which the steam expands adiabatically. If the turbine consumes 1.00 kg steam each second, calculate the temperature of the steam at the exhaust
A 3-ft-diameter semicircular channel made of unfinished concrete is to transport water to a distance of 1-m uniformly. determine the minimum elevation difference across the channel
Engineers are designing a curved section of a highway. If the radius of curvature of the curve is 114 m, at what angle should the curve be banked
using a large shiny curved surface (mirror). you notice that an object is upright and exactly 2/3 of the height of the object when it is 150m away from the mirror. what is the image distance
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