1. does the speedometer of a car read average speed or instantaneous speed? how do you know?
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Physics, 02.09.2019 19:10 babyduck0664
1. does the speedometer of a car read average speed or instantaneous speed? how do you know?
2. if the speedometer of your car reads a constant speed of 40km/hr, can you say 100% for sure that the car has a constant velocity? explain your answer.
3. what two controls on a car cause a change in speed?
4. what control causes a change in velocity?
5. what is the acceleration of a car that travels in a straight line at a constant speed?
6. describe a situation in which you can accelerate even though your speed doesn’t change.
7. acceleration is a change in over time.
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Light from two different sources are incident upon the same side of a polarizing filter. light from one source is polarized with total intensity ip, while light from the other source is unpolarized with total intensity iu. as you rotate the polarizing filter through 360 degrees, the intensity of the transmitted light on the other side varies by a factor of 9. what is the relative intensity of the initial polarized source to the unpolarized source, or ip/iu?
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