Physics, 20.11.2020 01:40, lizzyhearts

How are scientific theories different than laws or hypotheses?

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Physics, 22.06.2019 19:00, arianaaldaz062002

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?

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Physics, 22.06.2019 20:10, kerarucker12pe384k

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Physics, 22.06.2019 21:30, mar4894

In the illustration, which two simple machines are being used to enable the student to reach the door? a. inclined plane and pulley b lever and wheel-and-axle c pulley and lever d wheel-and axle and inclined plane