Calculate the magnitude of b when the force on the wire

Reference no: EM1353718

Q. A 5.40 102 kg hot-air balloon takes off from rest at the surface of the earth. The nonconservative wind and lift forces take the balloon up, doing +9.70 104 J of work on the balloon in the process. At what height above the surface of the earth does the balloon have a speed of 8.10 m/s?

Q. A 1.10 m long straight wire section has a resistance R = 40.0 ohm and is connected, with conducting wire of negligible resistance, to a 4.50 V battery. The wire is located in a uniform magnetic field B directed perpendicular to that section of wire. Calculate the magnitude of B when the force on the wire due to B has a magnitude of 0.260 N.

Reference no: EM1353718

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