Physics, 10.05.2021 22:10 etampus0220
What is the wavelength of a wave that has a speed of 300 meters/second and a frequency of 150 hertz? meters
Answers: 2
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The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space. b. we'll know it immediately because it will be brighter than the full moon in the sky. c. we won't know about it until 600 years from now. d. none of the above.
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Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2
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Physics, 22.06.2019 16:50, anaismami1
During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0°, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.
Answers: 2
What is the wavelength of a wave that has a speed of 300 meters/second and a frequency of 150 hertz?...
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