A 165 kg boulder is perched on the edge of a cliff that is 27 m high. If the boulder falls over the edge of the cliff, what will be its velocity just before it hits the ground at the base of the cliff?

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?

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?

The particles that are found in the nucleus of an atom are