What is the ratio of the initial volume to final volume

Reference no: EM1311976

Q1. An electron moves in a circular path perpendicular to the constant magnetic field with a magnitude of 2.00 mT. The angular momentum of the electron about the center of the circle is 5.50 multiplied by 10-25 J•s.

(a) Determine the radius of circular path.

(b) Determine the speed of electron.

Q2. A child's helium-filled balloon escapes at sea level and 21 oC. When it reaches an altitude of 3000 m, where the temperature is 3 oC and the pressure only 0.6 atm, what is the ratio of the initial volume to final volume?

Reference no: EM1311976

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