The magnetic coils of a tokamak fusion reactor are in the shape of a toroid having an inner radius of 0.491 m and outer radius of 0.762 m. The toroid has 691 turns turns of wire, each of which carries a current of 8.66 kA. Find the magnetic field strength along the inner radius.

Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. how long will the ball be in the air before it lands? round your answer to the nearest tenth. s how far will the football travel before it lands? round your answer to the nearest tenth. m