Physics, 08.08.2019 23:10 tatibean26
Astronomers are always making comparisons between measurements in astronomy and something that might be more familiar. for example, the hipparcos web pages tell us that the measurement accuracy of 0.001 arcsec is equivalent to the angle made by a golf ball viewed from across the atlantic ocean, or to the angle made by the height of a person on the moon as viewed from earth, or to the length of growth of a human hair in 10 sec as seen from 10 meters away. use the ideas in example 19.2 to verify one of the first two comparisons.
Answers: 1
Physics, 22.06.2019 15:00
Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive
Answers: 2
Physics, 22.06.2019 21:30
While carrying a heavy box up the stairs,you set the box on a step and rest. then you pick up the box and carry it to the top of the stairs. describe these actions in terms of balanced and unbalanced forces acting on the box.
Answers: 1
Physics, 23.06.2019 00:30
Discuss the difference between thermal energy and heat. (terrance) terrance, egolf, r., congdon, donald. physical science student text, 5th edition. bju press, 2014. vitalbook file.
Answers: 1
Astronomers are always making comparisons between measurements in astronomy and something that might...
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