The speed of the runner is 300 m /38 seconds. You can simplify this answer to be about 7.9 m/s
Magnetic fields are an area around a magnetic material or a moving electric charge with which the force of magnet
gawaingnpang nkabuhayan, hamon at oportinidad
I don't know what the exact word is, but I do know that the bigger an objects mass is the more it will attract other objects toward it, mainly smaller objects with less mass. it might be gravity or something around those lines....is it a multiple choice question?