Asatellite has a mass of 5850 kg and is in a circular orbit 4.1 x10 to the 5th power m above the surface of a planet. the period of the orbit is two hours. the radius of the planet is 4.15 x 10 to the 6th power m. what is the true weight of the satellite when itis at rest on the planet's surface?

Atrain is traveling at 30.0 m/s relative to the ground in still air. the frequency of the note emitted by the train whistle is 262 hz. the speed of sound in air should be taken as 344 m/s. what frequency (f approach) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and approaching it? what frequency (f recede) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and receding from it?

50 points to who answers this question in a clear and simple explanation : to what hight will a mass of weight of 500 n be raised in 20 seconds by a motor using 4kw of power?

The compound cyanogen (cn), has covalent bonds shown in this diagram how many electrons are shared between one nitrogen atom and one carbon atom? nec-cen o two o three o six o seven mark this and retum save and exit next submit 10o e a