Physics, 12.11.2020 18:20 sierradanielle9280
What would be the y-component of a velocity vector that had a magnitude of 37m/s in a direction 30° from the x-axis?
Answers: 1
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To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?
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Two resistors r1 and r2 may be connected either in series or parallel across an ideal battery with emf ε. we desire the rate of energy dissipation of the parallel combination to be 8.75 times that of the series combination. if r1 = 105 ω, what are the (a) smaller and (b) larger of the two values of r2 that result in that dissipation rate?
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Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of
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Two loudspeakers, 5.5 m apart and facing each other, play identical sounds of the same frequency. you stand halfway between them, where there is a maximum of sound intensity. moving from this point toward one of the speakers, you encounter a minimum of sound intensity when you have moved 0.33 m . assume the speed of sound is 340 m/s.part a) what is the frequency of the sound? part b) if the frequency is then increased while you remain 0.21 m from the center, what is the first frequency for which that location will be a maximum of sound intensity? express your answer to two significant figures and include the appropriate units.
Answers: 2
What would be the y-component of a velocity vector that had a
magnitude of 37m/s in a direction 30°...
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