calculate the force with which the moon pulls every kilogram of water in Kosi river given that the moon is 3 x 10 to the power 5 kilometre away from Nepal and the mass of the Moon is is 7 x 3 to the power 33 kg

From center station, a train departs every 30 minutes on the fast line and a train departs every 50 minutes on the state line. if two trains depart from center station at 8: 00 a.m., one on each of the two lines, what is the next time that two trains, one on each line, will depart at the same time?

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion

Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions