Aspring pendulum consists of mass m attached to one end of a massless spring with a spring constant k. it is constrained to move in a vertical plane. (a) draw a diagram to show all the necessary coordinates of the mass-spring system. (b) write the coordinates and velocity components of the mass. (c) find the kinetic energy and potential energy of the svstem

Avehicle has an oil leak that is causing the entire oil pan to be wet, but inspection reveals no exact source after cleaning off the oil residue. technician a says to install a fluorescent dye in the crankcase and operate the engine, then re-inspect for leaks with a special light (black light). technician b says the oil leak may be coming from a source at the top of the engine, such as a valve cover gasket. who is correct?

Oxygen and nutrients are moved through the body by the: a. circulatory system c. lymphatic system b. digestive system d. reproductive system

Which of the following changes will result in a stronger electromagnet? a. using fewer coils of wire b. using a higher voltage c. using a shorter nail d. using a longer wire