Abowling ball travels at 2.0 m/s. it has 16 j of kinetic energy. what is the mass of the bowling ball in kilograms ?

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.

Aproton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?

The researcher who studied the ability of cats to learn to escape from puzzle boxes was