In the following situations, which ball has the greatest kinetic energy? A) A golf ball rolling off the end of a ramp at 3m/s
B) A ping pong ball sitting at the top of a ramp
C) A golf ball sitting at the top of a ramp
D) A ping pong ball rolling off the end of a ramp at 3m/s

Adielectric-filled parallel-plate capacitor has plate area a = 30.0 cm2 , plate separation d = 9.00 mm and dielectric constant k = 3.00. the capacitor is connected to a battery that creates a constant voltage v = 15.0 v . throughout the problem, use ϵ0 = 8.85x10-12 c2/n.m2 . find the energy u1 of the dielectric-filled capacitor.

Boiling water in a pan is a good example of convection a.the warm water rises and the cooler water sinks. b.the water is touching the bottom of the pan, but not the heat source. c.boiling water can cook hard boiled eggs. d.boiling water is an example of radiation and not convection.

Which applications, either for diagnostic purposes or for therapeutic purposes, involve radioactive materials placed in the body? check all that apply. radiopharmaceuticals mri laser eye surgery external beam radiation therapy lithotripsy brachytherapy radioisotope imaging