Acoil of wire with 100. circular turns of radius 8.00 cm is in a uniform magnetic field along the axis of the coil. the resistance is 40.0 o. at what rate, in teslas per second, must the magnetic field be changing to induce a current of 0.150 a in the coil?
1.59 t/s
2.98 t/s
6.00 t/s
9.38 t/s

Solar cell a produces 100 joules of energy, when a light source is shown on it for 3 minutes. solar cell b produces 200 joules of energy when the same light source is shown on it for 5 minutes. which solar cell works better? a) solar cell b, because it produces more energy. b) solar cell b, because it generates more power. c) solar cell a, because it produces energy quicker. d) solar cell a, because it generates a greater wattage. eliminate

An object weigh 40n in air ,weigh 20n when submerged in water,and 30n when submerged in a liquid of unknown liquid density.what is the density of unknown of liquid?

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?