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Andrew jumped on a rocket, sending it straight up, and timing its motion. He sees that the rocket goes by the top of the library after .40 seconds and then reaches the top of the library again after a total elasped time of 3.7 seconds.
a) draw and label the problem
b) How high is the Library above the point where the rocket was lauched(ignore air resistance)
c) How fast was the rocket going at lauch
d) if the timer was precise to +/- .02 seconds for each reading, what is the uncertainty in your measurements of the height of the library, and the velocity of the rocket? Why?
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The mass density of an object is 20.0 g/cc, and its mass is determined to be 104 g. What is the volume of the object
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At a factory, a noon whistle is sounding with a frequency of 497 Hz. As a car traveling at 84km/h approaches the factory, driver hears the whistle at frequency fi. After driving past the factory, the driver hears frequency ff. What is the change i..
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wo small metallic spheres, each of mass m = 0.220 g, are suspended as pendulums by light strings of length L, How long are the strings
A 94-kg fullback is running at 3.7m/s to the east and is stopped in 0.85 s by a head-on tackle by a tackler running due west. Calculate the original momentum of the fullback
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