What velocity would an object in free fall reach after falling for 3 seconds (g= 9.8 m/s/s)

Find the volume of the ellipsoid x^2+y^2+5z^2=36.

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

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?