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An object moves along the x axis. The graph shows it’s position x as a function of time t. Find the average velocity of the object from points B to C.
Answers: 1
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An astronomer at the equator measures the doppler shift of sunlight at sunset. from this, she calculates that earth’s tangential velocity at the equator is 465 m/s. the centripetal acceleration at the equator is 3.41 10 2 m/s 2 . use this data to calculate earth’s radius.
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Physics, 21.06.2019 23:30
Awoman stands a distance d from a loud motor that emits sound uniformly in all directions. the sound intensity at her position is an uncomfortable 2.0×10-3 w/m2. at a distance 2.6 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing?
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Physics, 22.06.2019 09:00
In the first law of thermodynamics, triangle e=q-w, what does q stand for
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An object moves along the x axis. The graph shows it’s position x as a function of time t. Find the...
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