What is the slope of the line

True or false: the revolution of the earth creates day and night as it rotates around the sun

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.

The force it would take to accelerate an 900-kg car at the rate of 6m/s2