In the future, astronomers discover a solid moon around a planet orbiting one of the nearest stars. this moon has a diameter of 1948 km and a mass of 1.6 × 1022 kg. what is its density?

Which terms describe the purpose of antennas on devices that use radio waves? transmit and receivemodify and amplifyamplify and receivemodify and transmit

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?