Physics, 12.11.2020 17:20 graceaowen
A rocket is launched at an angle of 53 above the horizontal with an initial speed of 75m/s. It moves for 25 seconds along its initial line of motion with an acceleration of 25m/s2. At this time, the engine fails and the rocket proceeds to move as a free body.
A. What is the rockets maximum altitude?
B. What is the rockets total time of flight?
C. What is the rockets horizontal range?
Answers: 2
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The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force
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Physics, 22.06.2019 06:30, haha81
Which of these statements is true? a. quarks pair with leptons to form protons and neutrons. b. quarks pair with bosons to form photons. c. quarks pair with photons to form protons and neutrons. d. quarks pair with other quarks to form protons and neutrons. e. quarks pair with electrons to form protons.
Answers: 1
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