Physics, 20.07.2019 15:10 raewalker23p4ibhy
What's the value of 1,152 btu in joules? a. 1,964,445 j b. 987,875 j c. 2,485,664 j d. 1,215,360 j
Answers: 1
Physics, 21.06.2019 17:20
Explain why the aperture of the spherical mirror should be small compared to the radius of curvature of the mirror.
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Physics, 22.06.2019 19:30
Ashot putter releases the shot some distance above the level ground with a velocity of 12.0 m/s, 51.0 ∘above the horizontal. the shot hits the ground 2.08 s later. you can ignore air resistance. how far did she throw the shot?
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Physics, 22.06.2019 22:00
1. what is the relationship between wavelength and the penetrating power of an electromagnetic wave? a) the penetrating power has no relationship to the wavelength. b) the penetrating power increases as the wavelength increases. c) the penetrating power decreases as the wavelength increases. d) the penetrating power decreases as the wavelength decreases. 2. as ice melts and turns into water, the speed of sound through the material would most likely do what? justify your answer. a) the speed would not change because the material is always water. b) the speed of sound would increase because the density of water is less than that of ice. c) the speed of sound would increase because energy is added to ice in order to make it melt. d) the speed of sound would decrease because sound travels faster through solids than liquids. 3.which of these waves need a medium to travel through? a) sound b) x-rays c) infrared rays d) visible light
Answers: 3
What's the value of 1,152 btu in joules? a. 1,964,445 j b. 987,875 j c. 2,485,664 j d. 1,215,360 j...
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