Physics, 22.01.2021 01:00 proutyhaylee
Calculate the average speed (in km/h) of a rocket that travels 4000km in 30 minutes
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Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.
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Give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.
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What is the period of a wave traveling 5 m/s if its wavelength is 20 m/s
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Calculate the average speed (in km/h) of a rocket that travels 4000km in 30 minutes...
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