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Questions in physics
📝 Answered - How many light-years does light travel in 1 second?
📝 Answered - An electric heater with a power of 1000 W has a resistance of 10 ohms. Calculate the magnitude of the current.
📝 Answered - Calculate the heat produced when 80,000 coulombs of charge is transferred in 1/2 hour through a potential difference of 40 volts.
📝 Answered - A car moving at 25 m/s speeds up to 47 m/s. It takes 9 seconds to do this. What is the acceleration of the car?
📝 Answered - If you connect 3 resistors, having values of 2 ohms, 3 ohms, and 5 ohms in parallel, will the total resistance be 2 ohms, greater than 5 ohms, or lie between 2 ohms and 5 ohms? Explain.
📝 Answered - How do you appreciate the role of spherical mirrors in daily life?
📝 Answered - Can someone summarize the technique of gel electrophoresis in one or two sentences?
📝 Answered - At its closest point, Mercury is approximately 46 million kilometers from the sun. What is this distance in AU (astronomical units)?
📝 Answered - Name the device used to change the resistance without changing the voltage source in an electric circuit.
📝 Answered - Why does time slow down near a black hole and stop completely inside it?
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