Physics, 23.09.2019 06:30 makaleyf19
The doppler effect applies to light waves as well as sound waves. astronomers use this to measure the motion of stars and galaxies. in 1929, edwin hubble discovered that light from distant galaxies was shifted away from the blue end of the spectrum and towards the red end of the spectrum. red light has a longer wavelength (and a lower frequency) than blue light. what could hubble conclude about these galaxies?
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Physics, 22.06.2019 02:00
The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e
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Physics, 22.06.2019 07:00
The seven sisters, seven stars located more than 400 light-years away in the taurus constellation can be seen here with venus and another constellation, orion. the seven stars stay grouped together but seem to move, like the planet venus. why do stars seem to move like planets in the night sky?
Answers: 3
Physics, 22.06.2019 07:20
What is the magnitude of the acceleration vector which causes a particle to move from velocity ā5iā2j m/s to ā6i+ 7j m/s in 8 seconds. answer in m/s.
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Physics, 22.06.2019 14:00
What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration
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