Physics, 07.04.2020 22:27 nicolemaefahey
Two parallel long straight wires are oriented in a north-south direction at the same height, 50.0 cm apart, and carrying currents of 8.00 AM in the same direction. Find the strength of the magnetic field (a) midway between the wires, (b) at a point in the plane of the wires but 3.00 m from the nearer of the two, and (c) at a point between and above the two wires, 1.01 m from each one.
Answers: 1
Physics, 21.06.2019 23:30
Awoman stands a distance d from a loud motor that emits sound uniformly in all directions. the sound intensity at her position is an uncomfortable 2.0×10-3 w/m2. at a distance 2.6 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing?
Answers: 1
Physics, 22.06.2019 11:00
1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?
Answers: 1
Two parallel long straight wires are oriented in a north-south direction at the same height, 50.0 cm...
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