Physics, 06.03.2020 21:59, ariloveshorses
A metal rod is connected to a battery through two stiff metal wires that hold the rod horizontally. The rod is between the poles of a horseshoe magnet that is sitting on a mass-measuring platform scale, which reads 100 g. After you turned on the current in the circuit, the scale supporting the magnet read 106 g. The rod is 7.0 cm long and the current through it is 1.1 A. Find the magnitude of the magnetic field. B =
Answers: 2
Physics, 21.06.2019 21:20, mmaglaya1
Which of the following explains why it took so long for the public to accept the negative health effects of smoking? a)people were waiting for counter reasons, and those were presented. b)scientists had not completely finalized their results, which took 30 years. c)cigarettes were cheaply available and media channels were very inefficient. d)cigarette manufacturers were trying hard to bring an alternative into the market
Answers: 3
Physics, 22.06.2019 20:30, NathanaelLopez
Ahockey player of mass 82 kg is traveling north with a velocity of 4.1 meters per second he collides with the 76 kg player traveling east at 3.4 meters per second if the two players locked together momentarily in what direction will they be going immediately after the collision how fast will they be moving
Answers: 2
Physics, 22.06.2019 22:50, erinharrington15
What is an electric motor? explain its operation. 2-3 sentence
Answers: 1
A metal rod is connected to a battery through two stiff metal wires that hold the rod horizontally....