Physics, 16.07.2021 18:50 stevenssimeon30
Making rough estimates of physical quantities is usefulA. So that you can see if the answer to a problem makes physical sense. B. Because we only use approximate numbers in problems. C. Because the laws we use are not exact, so using exact numbers is not crucial. D.So that you can compute answers doing simpler math.
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What are the theoretical properties of a gas at a temperature of 0 kelvin?
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In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong
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Atriangle with equal sides of length 10 cm has -2.5-nc charged objects at each corner. part a determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. horizontally rightward vertically downward vertically upward horizontally leftward
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Physics, 22.06.2019 21:20
Astone is dropped from the upper observation deck of a tower, 250 m above the ground. (assume g = 9.8 m/s2.) (a) find the distance (in meters) of the stone above ground level at time t. h(t) = (b) how long does it take the stone to reach the ground? (round your answer to two decimal places.) s (c) with what velocity does it strike the ground? (round your answer to one decimal place.) m/s (d) if the stone is thrown downward with a speed of 2 m/s, how long does it take to reach the ground? (round your answer to two decimal places.) s
Answers: 3
Making rough estimates of physical quantities is usefulA. So that you can see if the answer to a pro...
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