An electron moves with a speed of 8.0 × 106 m/s along the +x-axis. It enters a region where there is a magnetic field of 2.5 T, directed at an angle of 60° to the +x-axis and lying in the x-y plane

Calculate the magnitude of the magnetic force on the electron. A) 2.8 × 10-10 N
B) 3.2 × 10-10 N
C) 2.8 × 10-12 N
D) 3.2 × 10-12 N
E) 0 N


C

Physics & Space Science

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Two masses are being pulled up a 30.0 degrees incline by a force F parallel to the incline. The acceleration down the incline is 1.00 and the velocity is up the incline. The force is applied to a 200 kg mass and a string connects the 200 kg mass to a 150 kg mass. There is no friction. The tension in the string is

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Answer the following statement(s) true (T) or false (F)

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An ideal gas is held in a container of volume V at pressure P. The rms speed of a gas molecule under these conditions is v. If now the volume and pressure are changed to 2V and 2P, the rms speed of a molecule will be

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Physics & Space Science