A 0.60 kg object weighs 20 N on the surface of an unknown planet. The radius of the planet is measured to be 4 x 106 m. Determine the gravitational acceleration at a distance of 2 x 106 m directly above the surface of the planet.

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 causes the formation of ocean currents?

Which missing item would complete this alpha decay reaction ? > 228/88ra + 4/2he a.224/96 rn b. 232/90 th c. 230/92 u d. 235/92 u