The force on the wire is 50 x 10³ N (with the minus for the 3). The current in the wire is 2.0 A.
There is 6.25cm of wire in the magnetic field.
Calculate the size of the magnetic field.

Please help I'm in a test right now I need to pass and this question is the only one i forgot how to do

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.

The average density of the planet uranus is 1.27 103 kg/m3. the ratio of the mass of neptune to that of uranus is 1.19. the ratio of the radius of neptune to that of uranus is 0.969. find the average density of neptune.