Physics, 11.12.2019 04:31 brooklynunderwood46

Acertain material has a mass of 565 g while occupying 50 cm3 of space. what is this material?

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Physics, 22.06.2019 11:00, sudotoxic

Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?

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Physics, 22.06.2019 12:00, Redeyestudio53

This is for my 8th grade science class, i really don’t understand. can someone me? , lol.

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Physics, 22.06.2019 12:10, anaroles04

Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?