Object a attracts object b with a gravitational force of 5 newtons from a given distance. if the distance between the two objects is reduced in half, what will be the changes force of attraction between them?

Astone dropped into a well is heard to strike the water after 8seconds. find the depth of the well if the velocity of sound is 350m/s

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?

According to newton’s first law of motion, which force is expected to cause a body to accelerate?