HELP: arriving on a newly discovered one-third d Earth-sized planet, you find that you weight one-third as much as on earth. Is the planet's mass or less than Earth's.

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 is the equation for electrical work?

Aboy with a mass 25 kg climbs into a small tree. he sits on a branch that is 2.o m above to the ground.what is his gravitational potential energy above the ground?