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Questions in physics

📝 Answered - You decide to add up all the work you did yesterday. If you accomplished 10,000 newton·meters of work yesterday, how much work did you do in units of joules?

📝 Answered - One light beam has wavelength [tex]\lambda_1[/tex] and frequency [tex]f_1[/tex]. Another light beam has wavelength [tex]\lambda_2[/tex] and frequency [tex]f_2[/tex]. Write a proportion that shows how the ratio of the wavelengths of these two light beams is related to the ratio of their frequencies.

📝 Answered - The mean distance from Saturn to the sun is 9 times greater than the mean distance from Earth to the sun. How long is a Saturn year?

📝 Answered - A hydrogen atom has one proton, two neutrons, and no electrons. Is this atom neutrally charged? Explain your answer.

📝 Answered - If a car can go from 0.0 to 60.0 mi/hr in 8.0 seconds, what would be its final speed after 5.0 seconds if its starting speed were 50.0 mi/hr?

📝 Answered - A wave with a large amplitude has a lot of: A. vibration B. speed C. energy

📝 Answered - What does it mean to say that momentum is conserved?

📝 Answered - How much voltage would be necessary to generate 10 amps of current in a circuit that has 5 ohms of resistance?

📝 Answered - If you place one staple on an electronic balance, the balance still reads 0.0 grams. However, if you place 210 staples on the balance, it reads 6.80 grams. What is the mass of one staple?

📝 Answered - A wave has a period of 2 seconds and a wavelength of 4 meters. Calculate its frequency and speed.