PLEASE HELP Describe the balance or imbalance of forces when you use your body to elevate off the ground and then you land. At what point(s) are the upward and downward forces balanced?

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?

Which notation is used to represent an alpha particle? a. b. c. d.

What is the measurement of how fast an object moves relative to a reference point?