Every second the sun gives out 400 million joules of energy, but how much of that actually reaches the earth?

Which changes of state do the labels represent? a: b: c:

The cerebellum controls? thirst sensations sleep-wake cycles hand-eye coordination heart rate and pulse

Electromagnetic induction. a coil of wire contains n turns and has an electrical resistance r. the radius of each turn is a. initially, inside the coil there exists a uniform magnetic field of magnitude b0 parallel to the axis of the coil. the magnetic field is then reduced slowly. the current induced in the coil is i. how long does it take for the magnitude of the uniform field to drop to zero?