A meterstick moving at 0.912c relative to the Earth's surface approaches an observer at rest with respect to the Earth's surface. What is the meterstick's length as measured by the observer?

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?

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

Which of the following changes will increase the capacitance of a parallel-plate capacitor? (there could be more than one correct choice.) a) increase the charge on the plates b) decrease the poten5al between the plates c) increase the potential between the plates d) introduce a dielectric material between the plates e) decrease the separation between the plates