Search results

I can't work the following out, any help is appreciated; A conductor carrying 2.5A experiences a force of .6N when .4m of its length is placed in a magnetic field of intensity 0.5T. Calculate the angle the conductor makes with the field; The supplied answer is 17.45 degrees. I know...

Any help is appreciated with the following question I can't manage to do; A spaceship flies past a planet at .6c. The pilot + his girlfriend on the planet each wave @ the other for 4.0 seconds. Calculate how long the pilot sees his girlfriend waving. The answer supplied is 3.2 seconds...