A 2.25 kg block slides 12.0 m to the left on a frictionless table with a constant velocity of 4.9 m/s. What is the net work on the block? Please help!

You are sitting on the beach and wondering about the properties of mechanical waves. describe them in terms of ocean waves.

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?

In a system, when potential energy decreases, then entropy also decreases. true false