Physics, 21.01.2021 22:50 xonyemaa12
A 21,000 kg train is traveling at 21 m/s. It accelerates as it enters a tunnel because of a
constant force of 45,000 N from the engine. The train is in the tunnel for 5.25 seconds. What
is the final speed of the train?
Answers: 2
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What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th
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Physics, 22.06.2019 14:00
This is one type of line graph in which the independent variable is time plotted on the x axis and the dependent variable, also numerical, is plotted on the y axis.
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Physics, 22.06.2019 16:30
Atank has a shape of a cone with a radius at the top of 2 m and a height of 5 m. the tank also has a 1 m spout at the top of the tank. the tank is filled with water up to a height of 2 m. find the work needed to pump all the water out the top of the spout. (use 9.8 m/s2 for g and the fact that the density of water is 1000 kg/m3.)
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Physics, 22.06.2019 21:00
If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?
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A 21,000 kg train is traveling at 21 m/s. It accelerates as it enters a tunnel because of a
constan...
English, 04.10.2019 23:20