Energy moves through and out of earth through conduction convection and radiation match each region of earth to the process by which most thermal energy flows

Idon’t quite understand this problem

The magnetic field inside a superconducting solenoid is 4.50 t. the solenoid has an inner diameter of 6.20 cm and a length of 26.0 cm. determine (a) the magnetic energy density in the field and (b) the energy stored in the magnetic field within the solenoid.

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z