Physics, 12.08.2020 21:01 johnlumpkin5183
Radio station WCCO in Minneapolis broadcasts at a frequency of 830 kHz. At a point some distance from the transmitter, the magnetic-field amplitude of the electromagnetic wave from WCCO is 4.82×10-11 T. A) Calculate the wavelength. B) Calculate the wave number. C) Calculate the angular frequency. D) Calculate the electric-field amplitude.
Answers: 2
Physics, 21.06.2019 20:40
If an object with an initial temperature of 300 k increases its temperature by 1°c every minute, by how many degrees fahrenheit will its temperature have increased in 10 minutes? (a) 6°f (b) 10°f (c) 18°f (d) 30°f
Answers: 3
Physics, 21.06.2019 21:50
When applying kirchhoff's rules, one of the essential steps is to mark each resistor with plus and minus signs to label how the electric potential changes from one end of the resistor to the other. the circuit in the drawing contains four resistors, each marked with the associated plus and minus signs. however, one resistor is marked incorrectly. which one is it?
Answers: 1
Physics, 22.06.2019 14:40
The experiment done in lab is repeated, using a ball that has unknown mass m. you plot your data in the form of f 2 versus m/l, with f in rev/s, m in kg, and l in m. your data falls close to a straight line that has slope 3.19 m/(kg · s2). use g = 9.80 m/s2 and calculate the mass m of the ball.
Answers: 1
Radio station WCCO in Minneapolis broadcasts at a frequency of 830 kHz. At a point some distance fro...
English, 26.12.2019 21:31
Mathematics, 26.12.2019 21:31
Biology, 26.12.2019 21:31
Mathematics, 26.12.2019 21:31
Mathematics, 26.12.2019 21:31
Physics, 26.12.2019 21:31
Mathematics, 26.12.2019 21:31
Mathematics, 26.12.2019 21:31
Mathematics, 26.12.2019 21:31
English, 26.12.2019 21:31