Ireally need to get this done today.. explain how the energy of a rubber ball is transformed as it rolls down a ramp. give evidence that the energy of the ball remains the same at all points on the ramp.

Determine the maximum r-value of the polar equation r =3+3 cos 0

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of

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.