Physics, 23.11.2019 06:31 acervantes29
Suppose that a comet that was seen in 550 a. d. by chinese astronomers was spotted again in year 1941. assume the time between observations is the period of the comet and take its eccentricity as 0.997. what are (a) the semimajor axis of the comet's orbit and (b) its greatest distance from the sun?
Answers: 3
Physics, 22.06.2019 01:50
Arod of some material 0.20 m long elongates 0.20 mm on heating from 21 to 120°c. determine the value of the linear coefficient of thermal expansion [in (degrees c)^-1] for this material.
Answers: 2
Physics, 22.06.2019 09:30
The necleus of an atom is made up of what subatomic particles?
Answers: 1
Physics, 22.06.2019 11:30
Two 1.20-m nonconducting wires meet at a right angle. one segment carries + 2.50 µc of charge distributed uniformly along its length, and the other carries - 2.50 µc distributed uniformly along it, as shown in fig. 21.50. ( a. find the magnitude and direction of the electric field these wires produce at point p, which is 60.0 cm from each wire. ( b. if an electron is released at p, what are the magnitude and direction of the net force that these wires exert on it?
Answers: 3
Suppose that a comet that was seen in 550 a. d. by chinese astronomers was spotted again in year 194...
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