Physics, 19.11.2020 14:00 Tonyang1742
In the middle of a thunderstorm, a lightning bolt flashes. It takes Roberto 5 seconds to
hear the thunder afterwards. How far is the source of lightning from Roberto? The temperature is 22° C.
Speed of sound at 22°C = ?
d = ?
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Answers: 3
Physics, 21.06.2019 17:20, lamwil9432
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Answers: 1
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Explain in physical terms how a microwave oven works. what would happen when you put a conductor in the microwave oven? explain.
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Physics, 21.06.2019 21:40, taylordalton93
This problem has been solved! see the answera non-uniform fire escape ladder is 6.0m long whenextended to the icy alley below. it is held at the top by africtionless pivot, and there is neglibible frictional force fromthe icy surface at the bottom. the ladder weighs 250n, and it'scenter of gravity is 2.0m along the ladder from the bottom. amother and child of total weight 750n are on the ladder 1.5m fromthe pivot. the ladder makes an angle θ with the horizontal. find the magnitude and direction ofa) the force exerted by the icy alley on the ladderb) the force exerted by the ladder on the pivotc) do your answers in part a and b depend on the angle?
Answers: 3
In the middle of a thunderstorm, a lightning bolt flashes. It takes Roberto 5 seconds to
hear the t...
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