A young 49-kg ice hockey goalie, originally at rest, deflects a 0.16-kg hockey puck slapped at him at a speed of 35.5 m/s. In this problem, take the original direction of the puck as positive. Suppose the goalie and the ice puck have an elastic collision and the puck is reflected back on the direction from which it came. What would the final velocity of the pack in meters per second, be in the case

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?

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?

Idon’t quite understand this problem