Physics, 29.01.2020 05:41 Chrisis5143
The shadow of a vertical tower is 75.0 ft long when the angle of elevation of the sun is 33.0 degrees. find the height of the tower.
Answers: 3
Physics, 21.06.2019 21:30
Although light from the sun appears white, it is actually made up of a lot of different colors. this portion of the electromagnetic spectrum, we call white light is referred to as within the electromagnetic spectrum.
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Physics, 21.06.2019 23:30
A175 g lump of molten lead at its melting point (327 c) is placed into 55.0 g of water at 20.0 c. the specific heat of lead is 130.j/kg c and the hf of lead is 20,400 j/kg. when the lead and the water have reached equilibrium, what is the temperature of the mixture?
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Physics, 22.06.2019 00:20
Zeros that follow non-zeros numbers and are also to the right of a decimal point are significant
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Physics, 22.06.2019 15:30
How many neutrons does element x if it’s atomic number is 28 and its mass number is 87
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The shadow of a vertical tower is 75.0 ft long when the angle of elevation of the sun is 33.0 degree...
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