Physics, 27.08.2019 00:20 clietmaster112
A) a mass spectrometer has a velocity selector that allows ions traveling at only one speed to pass with no deflection through slits at the ends. while moving through the velocity selector, the ions pass through a 60,000-n/c e? field and a 0.0500-t b? field. the quantities v? , e? , and b? are mutually perpendicular. determine the speed of the ions that are not deflected. b) after leaving the velocity selector, the ions continue to move in the 0.0500-t magnetic field. determine the radius of curvature of a singly charged lithium ion, whose mass is 1.16
Answers: 3
Physics, 22.06.2019 05:00
Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.
Answers: 1
Physics, 22.06.2019 11:50
The scalar triple product computes the magnitude m of the moment of a force vector f about a specified line. it is m = (r × f) · n, where r is the position vector from the line to the point of application of the force and n is a unit vector in the direction of the line. use matlab to compute the magnitude m for the case where f = [12, −5, 4] n, r = [−3, 5, 2] m, and n = [6, 5, −7].
Answers: 3
Physics, 22.06.2019 20:10
Two cannon balls weighing 18 kg and 24 kg are chained together and fired horizontally with a velocity of 165 m/s from the top of a 21-m wall. the chain breaks during the flight of the cannonballs and the 18-kg cannonball strikes the ground at t = 1.5 s, at a distance of 240 m from the foot of the wall, and 7 m to the right of the line of fire. determine the position of the other cannonball at that instant. neglect the resistance of the air.
Answers: 1
A) a mass spectrometer has a velocity selector that allows ions traveling at only one speed to pass...
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