Physics, 09.09.2020 18:01 challenggirl
Two uniform very long (infinite) rods with identical linear mass density rho do not intersect. Their directions form an angle α and their shortest separation is a.
1. Find the force of attraction between them due to Newton's law of gravity.
2. Give a dimensional argument to explain why the force is independent of a.
3. If the rods were of a large but finite length L, what dimensional form would the lowest order correction to the force you found in the first part have? Note: for ' J-n/2 1-42 sin2 θ 1-A
Answers: 3
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The items in the following list are all units of matter. which is the smallest unit that retains the properties of the matter? a.) atom b.) compound c.) electron d.) element
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During the apollo moon missions, astronauts were concerned about the effects of newton's third law of motion when: o a. they ejected waste water, because they were concerned that it would push them off course. o b. they reentered earth's atmosphere, because they were carrying heavy moon rocks. o c. they took off from earth, because a large force was required to generate large acceleration. o d. they detected incoming space debris, because the inertia of the debris could damage their ship.
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Physics, 23.06.2019 01:50
Aseries circuit contains a 30 e resistor, a 20 resistor, and a 10 resistor. the power supply provides 100 v to the circuit the current in the 10 resistor, to two significant figures, is a.
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Two uniform very long (infinite) rods with identical linear mass density rho do not intersect. Their...
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