Physics, 26.04.2021 21:30 Tweektweak
1. A 75.0-kg box is falling with a constant velocity of -25.0 m/s. What is the force of air resistance?
Answers: 3
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Density of salty water as compared to the density of pure water is(a) is less(b) is always equal(c) is always more(d) may be less or more
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What do you think car designers do if the damage caused by a crash test is too severe?
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Panel bc in fig. p2.76 is semi-circular, with the 3 meter radius and horizontal straight edge through point b. compute (a) the hydrostatic force of the water on the panel, (b) its center of pressure, and (c) the moment of this force about point b. assume atmospheric pressure on the dry side of the panel
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Aturntable that spins at a constant 74.0 rpm takes 3.10 s to reach this angular speed after it is turned on. find its angular acceleration (in rad/s2), assuming it to be constant, and the number of degrees it turns through while speeding up.
Answers: 2
1. A 75.0-kg box is falling with a constant velocity of -25.0 m/s. What
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