Aball with a mass of 170 g which contains 4.20×108 excess electrons is dropped into a vertical shaft with a height of 110 m . at the bottom of the shaft, the ball suddenly enters a uniform horizontal magnetic field that has a magnitude of 0.250 t and direction from east to west. part a if air resistance is negligibly small, find the magnitude of the force that this magnetic field exerts on the ball just as it enters the field. use 1.602×10−19 c for the magnitude of the charge on an electron. f f = nothing n request answer part b find the direction of the force that this magnetic field exerts on the ball just as it enters the field. find the direction of the force that this magnetic field exerts on the ball just as it enters the field. from north to south from south to north
Answers: 1
Physics, 22.06.2019 08:40
The system is released from rest with the cable taut, and the homogeneous cylinder does not slip on the rough incline. determine the angular acceleration of the cylinder and the minimum coeffi cient s of friction for which the cylinder will not slip.
Answers: 2
Physics, 23.06.2019 03:10
You want to move a heavy box with mass 30.0 kg across a carpeted floor. you pull hard on one of the edges of the box at an angle 30∘ above the horizontal with a force of magnitude 240 n, causing the box to move horizontally. the force of friction between the moving box and the floor has magnitude 41.5 n . what is the box's acceleration just after it begins to move
Answers: 1
Aball with a mass of 170 g which contains 4.20×108 excess electrons is dropped into a vertical shaft...
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