Nigeria Sat-1, launched into space on 27 September 2003 has a mass of 98kg and orbits the Earth at altitude of 686km. determine its period in hours

Ared apple is illuminated by a blue light the apple will appear

What is a carrier wave and how does it affect what you hear on the radio

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?