Physics, 07.02.2021 17:50 andrewmena05
A horse tows a barge in a canal by means of a rope that makes an angle of 15 degrees with the direction of motion of the barge. The tension in the rope is 120 N. How much work is done in moving the barge 1000 m?
Answers: 2
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The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e
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Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?
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The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?
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Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little
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A horse tows a barge in a canal by means of a rope that makes an angle of 15 degrees with the direct...
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