Why is Jupiter so much larger than Earth? Check all that apply

What is the coefficient of kinetic friction μk between the block and the tabletop?

Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?

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.