Physics, 01.11.2019 03:31 CamFootball638
Asled is being held at rest on a slope that makes an angle theta with the horizontal. after the sled is released, it slides a distance d_1 down the slope and then covers the distance d_2 along the horizontal terrain before stopping. find the coefficient of kinetic friction mu_k between the sled and the ground, assuming that it is constant throughout the trip. the coefficient is: { d_1sin (theta)}/{d_2 + d_1cos(theta)}to assess whether your calculations are reasonable, we'll analyze a similar situation to the one described in the problem introduction. suppose the same sled is released from the same height on the same slope. this time, however, assume that the coefficient of kinetic friction between the ground and the sled is a known quantity, mu, and, as before, constant throughout the trip. after the sled is released, it slides the same distance d_1 down the slope and then moves a certain (unknown) distance along the horizontal terrain before stopping. find the distance d traveled by the sled from the end of the slope until it comes to a stop. express your answer in terms of the variables d_1, mu, and theta.
Answers: 3
Physics, 22.06.2019 15:30
Identify the correct relation showing that the radius r of the orbit of a moon of a given planet can be determined from the radius r of the planet, the acceleration of gravity at the surface of the planet, and the time ฯ required by the moon to complete one full revolution about the planet. determine the acceleration of gravity at the surface of the planet jupiter knowing that r = 71 492 km and that t= 3.551 days and r= 670.9 ร 10^3 km for its moon europa.
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Physics, 22.06.2019 22:30
You add 800 ml of water at 20c to 800 ml of water at 80c what is the most likely final temperature of the mixture ? a. 100c b. 60c c. 25 c d.50c
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Asled is being held at rest on a slope that makes an angle theta with the horizontal. after the sled...
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