I need help on these 3 questions plz 20 points
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Suppose that recording station n is located 200 km north of the epicenter of an earthquake, and recording station s is located 100 km south of the epicenter of the same earthquake. which of the following statements would be true?
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Physics, 22.06.2019 01:10
Aparticle initially moving east with a speed of 20.0 m/s, experiences an acceleration of 3.95 m/s, north for a time of 8.00 s. what was the speed of the particle after this acceleration, in units of m/s? give the answer as a positive number.
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Physics, 22.06.2019 15:30
This is the number of complete movements of a wave per second.
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Physics, 22.06.2019 21:10
Two masses are connected by a rope that hangs over a pulley as shown below. the pulley is a uniform cylinder of radius ν
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