Physics, 22.09.2019 09:00 mostman077
Avisitor to the observation deck of a skyscraper manages to drop a penny over the edge. as the penny falls faster, the force due to air resistance increases. how does this affect the acceleration of the penny?
a. the acceleration decreases b. the acceleration remains constant and not zero (my answer)
c. the acceleration remains zero d. the acceleration increases.
Answers: 1
Physics, 22.06.2019 01:00
15. give an example for some particles or waves that are moving faster than light in everyday life 16. what is a laser? 17. what is an oscilloscope? 18. what does it means practically that nothing is faster than light in vacuum? 19. what is vacuum?
Answers: 2
Physics, 22.06.2019 13:00
Nacidified solution was electrolyzed using copper electrodes. a constant current of 1.18 a caused the anode to lose 0.584 g after 1.52 ✕ 103 s. given that the charge of an electron is 1.6022 ✕ 10−19 c, calculate avogadro's number. assume that copper is oxidized to cu2+ ions.
Answers: 1
Physics, 22.06.2019 19:00
According to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does maria's voyage take according to samir?
Answers: 3
Physics, 23.06.2019 10:20
Why does a smaller car get better gas mileage than a bigger one?
Answers: 1
Avisitor to the observation deck of a skyscraper manages to drop a penny over the edge. as the penny...
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