A square sheet of rubber has sided that are 20 cm long. If you stretch one side so that it is twice as long. What is the new area of the rubber sheet?m^2

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k

Avery long solenoid of inner radius 2.75 cm creates an oscillating magnetic field of the form = for this solenoid, =0.00425 t and =319 rad/s. (a)what is the maximum value of the induced electric field at a perpendicular distance 1.45 cm from the axis of the solenoid? (b) what is the maximum value of the inducted electric field at a point 5.85 cm perpendicular from the axis of the solenoid?

An electromagnet is a device in which moving electric chargers in a coil of wire create a magnet. whats one advantage of using electromagnetic in devices