Which scientific term names rocks formed from magma?

Describe uniform velocity and variable velocity in short

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.

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?