Can someone answer this ❗️❗️❗️❗️❗️❗️❗️ asap ❗️❗️❗️❗️❗️❗️❗️❗️❗️pleas ❗️❗️❗️❗️❗️
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Physics, 15.12.2019 08:31 andrewmena05
Can someone answer this ❗️❗️❗️❗️❗️❗️❗️ asap ❗️❗️❗️❗️❗️❗️❗️❗️❗️pleas ❗️❗️❗️❗️❗️
i really need
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 05:40
What is the change in internal energy if 20 j of heat is released from a system and the system does 50 j of work on the surroundings? a. -70 j b. 30 j c. -30 j d. 70 j
Answers: 2
Physics, 23.06.2019 07:10
50.)the diagram below represents the wave fronts produced by a point source moving to the right in a uniformmedium. observers are located at points a and b.compared to the wave frequency and wavelength observed at point a, the wave observed at point b has a(1) higher frequency and a shorter wavelength(2) higher frequency and a longer wavelength(3) lower frequency and a shorter wavelength(4) lower frequency and a longer wavelength
Answers: 3
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