Physics, 30.11.2021 20:00 ahmedeldyame
4 In the figure, a mass m = 6.71 kg oscillates in a vertical circle at the end of a chord of negligible mass and length L = 2.36 m. The mass is released from rest from a horizontal position. What is the magnitude of the angular momentum (in kg • m2 / s) at the lowest point of its path with respect to the axis perpendicular to the vertical circle that passes through its center?
Answers: 3
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Study the diagram showing the range of temperature in the earth’s layers. which temperature most likely corresponds to the asthenosphere? 1,613°c 2,521°c 3,628°c 6,217°c
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Blank liquids and gases exert a buoyant force on objects placed in them
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Sobre transformações cĂclicas, sĂŁo feitas algumas afirmações, determine quais estĂŁo corretas. i – a variação de energia interna em uma transformação cĂclica Ă© nula; ii – o trabalho, em uma transformação cĂclica, Ă© sempre positivo; iii – ao completar um ciclo, o gás tem a mesma temperatura com a qual começou a transformação; iv – uma transformação cĂclica Ă©, obrigatoriamente, composta de transformações conhecidas, como adiabática, isocĂłrica, etc: a) i e iii b) i e ii c) ii e iii d) i e iv e) iii e iv
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Physics, 22.06.2019 09:00
When a bicycle coasts uphill, it moves slower and slower as it climbs. why? a. its kinetic energy is transforming into heat energy. b. its potential energy is transforming into kinetic energy. c. its kinetic energy is transforming into potential energy and heat energy. d. its potential energy is transforming into kinetic energy and heat energy.
Answers: 1
4 In the figure, a mass m = 6.71 kg oscillates in a vertical circle at the end of a chord of negligi...
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