A Particle (Q =-4 $\mu$ C, M = 50 Mg) Moves in a Uniform Magnetic Field with a Moves

question 21

Multiple Choice

A particle (q =-4.0 $\mu$ C, m = 5.0 mg) moves in a uniform magnetic field with a velocity having a magnitude of 2.0 km/s and a direction that is 50 $\degree$ away from that of the magnetic field.The particle is observed to have an acceleration with a magnitude of 5.8 m/s2.What is the magnitude of the magnetic field?

• A)5.3 mT
• B)4.9 mT
• C)5.1 mT
• D)4.7 mT
• E)3.6 mT

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Definitions:

Total Fixed Cost

The sum of all costs that remain constant regardless of the level of production or output within a given period.

Marginal Product of Labor

The additional output a firm gains by employing one more unit of labor, holding other inputs constant.

Variable Input

An input whose quantity can be changed in the short run to increase or decrease production.

Average Product of Labor

The output produced per unit of labor input, calculated by dividing total output by the total number of labor units used.