Physics, 04.12.2020 18:20 MannyBanko1350
A boat is rowed directly upriver at a speed of 2.5 m/s relative to the water.
Viewers on the shore see that the boat is moving at only 0.5 m/s relative
to the shore. What is the speed of the river? Is it moving with or against
he boat?
Answers: 2
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In which scenario is the least amount of work done on a crate? a force of 120 n moves it 25 m. a force of 115 n moves it 26 m. a force of 130 n moves it 22 m. a force of 125 n moves it 27 m.
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Awheel rotates without friction about a stationary horizontal axis at the center of the wheel. a constant tangential force equal to 82.0 n is applied to the rim of the wheel. the wheel has radius 0.150 m . starting from rest, the wheel has an angular speed of 12.8 rev/s after 3.88 s. what is the moment of inertia of the wheel?
Answers: 3
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What color would an object that reflects green and blue light appear to be in white light? a. blue b. cyan c. magenta d. black
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Suppose you have three polarizing filters, with the second at an angle of 42∘ to the first and the third at an angle of 90∘ to the first. by what perfect will the original intensity of unpolarized light be reduced to after passing through all three filters?
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A boat is rowed directly upriver at a speed of 2.5 m/s relative to the water.
Viewers on the shore...
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