Compute the magnitude of the force on a 30 cm length

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Reference no: EM139219

Q1. Two long parallel wires X and Y separated by distance of 5 cm in air carry currents of 20 A and 70 A correspondingly in opposite directions. Compute the magnitude of the force on a 30 cm length of wise Y.

Q2. Two boats start together and race across a 46 km wide lake and back. Boat A goes across at 44 km/h and returns at 48 km/h. Boat B goes across at 27 km/h, and its crew, realizing how far behind it is getting, returns at 69 km/h. Turnaround times are negligible, and the boat that completes the round-trip first wins.

Which boat wins? (Or is it a tie?)

Reference no: EM139219

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