Physics, 20.09.2020 16:01, jessica112776
Ultraviolet light of wavelength 270 nm strikes a metal whose work function is 2.3 eV. What is the shortest de Broglie wavelength for the electrons that are produced as photoelectrons?
Answers: 1
Physics, 22.06.2019 13:50, Geo777
Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination. at the turning point, how far is the second student from the destination?
Answers: 3
Physics, 22.06.2019 14:00, batmanmarie2004
Awater balloon launcher uses an elastic band with a spring constant of 115 n/m to use thee launcher you stretch thee band back with a balloon n it the water balloons have a mass of 1.3 kg a) if you stretch the band by 0.8 m, what elastic force will the band exert? b) with the band stretched 0.8 m, how much elastic potential energy is stored in the spring? c) if you release the band, it pushes forward. what is the kinetic energy of the balloon when it reaches the natural length of the band? d) what is the speed of the balloon when it reaches the natural length of the band?
Answers: 1
Physics, 22.06.2019 22:30, livichavezp2kcd3
Which of these activities increases the amount of carbon in the atmosphere?
Answers: 1
Ultraviolet light of wavelength 270 nm strikes a metal whose work function is 2.3 eV. What is the sh...
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