Physics, 19.08.2021 14:00 foreignlove1039
Two people are paddling a canoe downstream with a speed of 3.5 km/h
relative to the river. If the river is flowing at 22 km/h, how long will it take
them to reach the canoe dock 25 km away?
A. 1.4 h
B. 1.2 h
c. 1.6 h
D. 1.0 h
Answers: 3
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Light traveling in a medium with a refractive index 1.19 is incident on a plate of another medium with index of refraction 1.79. at what angle of incidence is the reflected light fully polarized?
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Which is not an example of how an object gains elastic potential energy by stretching? a. jumping on a pogo stick b. pulling on a rubber band c. jumping on a trampoline
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You want to lose weight and have been trying to decide which type of fad diet is best for you. you ask your doctor, who responds that a. fad diets are a temporary fix but generally don't have any side effects b. fad diets can be used several times a year to maintain a healthy weight c. fad diets can be risky for your health and, in the long run, do not work d. fad diets should never be used one right after the other; there should be a break between them select the best answer from the choices provided. a b c d
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Two people are paddling a canoe downstream with a speed of 3.5 km/h
relative to the river. If the...
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