Physics, 23.07.2019 06:30 wbrandi118
Simple multiple choice ! 1.) in the geiger-marsden experiment, a thin gold foil was bombarded by electrons alpha particles gamma rays 2.) the chemical characteristics of an atom are determined by its: atomic number mass number binding energy number of isotopes 3.) calculate the speed of the electron of a hydrogen atom if it is in the fifth circular orbit. 4.4 x 10^5 1.1 x 10^7 any is !
Answers: 2
Physics, 22.06.2019 00:30
Which of the following elements is in the same period as phosphorus? a. carbon c. nitrogen b. magnesium d. oxygen select the best answer from the choices provided a b c d
Answers: 1
Physics, 22.06.2019 08:50
You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a × b = 98k. what is the y-component of vector b?
Answers: 1
Physics, 22.06.2019 11:00
If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c
Answers: 1
Physics, 22.06.2019 17:30
Alarge cruise ship of mass 7.00 ✕ 107 kg has a speed of 11.6 m/s at some instant. (a) what is the ship's kinetic energy at this time? (b) how much work is required to stop it? (give the work done on the ship. include the sign of the value in your answer.) (c) what is the magnitude of the constant force required to stop it as it undergoes a displacement of 3.00 km?
Answers: 2
Simple multiple choice ! 1.) in the geiger-marsden experiment, a thin gold foil was bombarded by...
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