Draw two free-body diagrams for the rotating mass in this experiment, showing all the forces acting on it when

a. it is revolving at radius r and is attached to the Center Post spring,
b. it is revolving while hanging but not attached to the spring.

Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

Which car has the most kinetic energy? a. a car of mass 1000 kg with a speed of 3 m/s b. a car of mass 2000 kg with speed 7 m/s c. a car of mass 1000 kg with speed 7 m/s d. a car of mass 2000 kg with speed 3 m/s