Physics, 19.10.2021 23:40 randyg0531
The total volume of water in the tank does not
change. Some tanks have a second electric heater
that can be used when not all of the water in the
tank needs to be heated. Suggest where the second
electric heater would be positioned in the tank.
Answers: 1
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Astudent pushes on a 20.0 kg box with a force of 50 n at an angle of 30° below the horizontal. the box accelerates at a rate of 0.5 m/s2 across a horizontal floor. what is the value of the normal force on the box? 200 n 243 n 156 n 225 n
Answers: 2
Physics, 22.06.2019 10:30
Light from a sodium lamp passes through a diffraction grating that has 1000 slits per millimeter. the interference pattern is viewed on a screen 1.000 m behind the grating. the first (m = 1) two bright yellow fringes that are visible are 0.7288 m and 0.7300 m from the central maximum. what are the wavelengths of these two fringes?
Answers: 2
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Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?
Answers: 1
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The chart shows daniela’s run through her race. what is her velocity? 1.5 m/s 2 m/s 2.5 m/s 5 m/s
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The total volume of water in the tank does not
change. Some tanks have a second electric heater
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