The advantage of a synchronous orbit is that the satellite can: fly over the entire earth transmit over the entire earth receive continuous signals from a ground transmitter all of the above

An object weighs 40n in air, weighs 20n when submerged in water and 30n when submerged in a liquid of unknown density. what is the density of the liquid?

Astudent pushes a 60-n block across the floor for a distance of 10 m. how much work was done to move the block

Two trains leave a station at the same time, train a travels at a constant speed of 16 m/s. train b starts at 8.0 m/s but accelerates constantly at 1.0 m/s squared. after 10.0 seconds, which train has the greater speed?