Physics, 25.03.2020 05:47, mcaninch36
A steady beam of alpha particles (q = +2e), each traveling with kinetic energy of 24 MeV, carries a current of I = 260 nA. a) If the beam is directed perpendicular to a planar surface, how many alpha particles strike the surface in 3 s? b) Through what potential difference was it necessary to accelerate each alpha particle from rest to bring it to a kinetic energy of 24 MeV
Answers: 2
Physics, 22.06.2019 15:00, ReeceLehua01
Mechanical energy is when the amount of kinetic and potential energies added together remains the same. conserved created lost
Answers: 1
Physics, 23.06.2019 00:10, looloo273
An electromagnetic wave with frequency 65.0 hz travels in aninsulating magnetic material that has dielectric constant 3.64 andrelative permeability 5.18 at this frequency. the electric fieldhas amplitude 7.20 \times 10^{ - 3} {\rm v}/{\rm m}. a. what is the speed of propagation of the wave? b. what is the wavelength of the wave? c. what is the amplitude of the magnetic field? d. what is the intensity of the wave?
Answers: 3
A steady beam of alpha particles (q = +2e), each traveling with kinetic energy of 24 MeV, carries a...