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Physics, 21.06.2019 21:40
Avery hard rubber ball (m = 0.5 kg) is falling vertically at 4 m/s just before it bounces on the floor. the ball rebounds back at essentially the same speed. if the collision with the floor lasts 0.05 s, what is the average force exerted by the floor on the ball?
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Physics, 22.06.2019 02:00
What is created when solids,liquids,an gases mix with one another
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Physics, 22.06.2019 03:00
Do you agree with scientist’s prediction about the warming of alaska and other polar regions?
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Physics, 22.06.2019 06:30
What is the energy of a photon of ultraviolet radiation with a frequency of 4.4 × 1015 hz? planck’s constant is 6.63 × 10–34
Answers: 3
Social Studies, 12.02.2020 00:31
Mathematics, 12.02.2020 00:31
Health, 12.02.2020 00:32
Mathematics, 12.02.2020 00:32
Mathematics, 12.02.2020 00:32