Physics, 11.01.2020 02:31 ashtonlauber95
At one instant of time a rocket is traveling in outer space at 2500m/s and is exhausting fuel at a rate of 100 kg/s. if the speed of the fuel as it leaves the rocket is 1500 m/s, relative to the rocket, the thrust is:
Answers: 2
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Which is not a characteristic of a heat pump? a. it is used in air conditioners. b. it uses a refrigerant. c. it requires no work. d. it reverses the normal flow of thermal energy.
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Why can blue light and yellow light combine to produce white light? question 17 options: they are both primary colors of light. they absorb each other's wavelengths. because blue, yellow, and white are primary colors. they are complementary colors of light.
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The electric field direction is defined by the direction of the force felt by (select one of the following answers): 1. a negative charge. 2. a positive charge. 3. both positive and negative charges.
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At one instant of time a rocket is traveling in outer space at 2500m/s and is exhausting fuel at a r...
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