Physics, 24.09.2019 20:00 diwashkandel6pe02af
Two spaceships are traveling past earth at 90% of the speed of light in opposite directions (i. e., they are approaching each other). one turns on a searchlight, which is seen by scientists aboard the other. what speed do the scientists measure for this light (c = speed of light in a vacuum)?
Answers: 1
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Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz. what wavelength is produced?
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70 give a real life example showing how sensory neurons work with the motor neurons
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The great sandini is a 60.0-kg circus performer who is shot from a cannon (actually a spring gun). you don’t find many men of his caliber, so you him design a new gun. this new gun has a very large spring with a very small mass and a force constant of 1100 n/m that he will compress with a force of 4400 n. the inside of the gun barrel is coated with teflon, so the average friction force will be only 40.0 n during the 4.00 m he moves in the barrel. at what speed will he emerge from the end of the barrel, 2.50 m above his initial rest position?
Answers: 2
Two spaceships are traveling past earth at 90% of the speed of light in opposite directions (i. e.,...
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