the goodyear blimp spirit of akron is 62.6m long and contains 7023m^3 of helium. when the temperature of the helium is 285 k, its absolute pressure is 112 kpa. find the mass of the helium in the blimp.

Anonzero net force acts on a particle and does work. which one of the following statements is true? the kinetic energy of the particle changes, but the speed of the particle does not change. the kinetic energy of the particle does not change, but the speed of the particle does change. the kinetic energy of the particle changes, but the velocity of the particle does not change. the kinetic energy and the speed of the particle change, but the velocity of the particle does not change. the kinetic energy, speed, and velocity of the particle change.