How can motion be described?

Witch of the following pairs of items will be attracted by one another

A submarine cruising underwater started diving at a rate of 9 meters per minute. after 5 minutes, it was 180 meters below the surface of the water. how long after starting its descent was the submarine 360 meters below the surface?

Consider a household that uses 14,000 kWh of electricity and 900 gal of fuel oil, per year, during a heating season. The average amount of CO₂ produced is 26.4 lbm/gal of fuel oil and 1.54 lbm/kWh of electricity.

All of the earth's life and weather exists within the stratosphere. a. True b. False

A 1400 kg van is traveling at 24m/s when the driver takes her foot off the gas pedal. The car eventually rolls to a stop after 225 meters. Find the force of friction acting on the van.

What is the density of an unknown metal that has a mass of 158 g and a volume of 20 ml

An electron is located on the x axis at x0 = - 9.31*10-6 m. Find the magnitude and direction of the electric field at x = 9.39 * 10-6 m on the x axis due to this electron.

Earth attracts a person with a gravitational force of 7.0 * 102 newtons. What is the magnitude of the force with which the individual attracts Earth? 3.0 * 10² newtons 7.0 * 10² newtons 8.5 * 10² newtons 9.8 * 10² newtons

The productive cycle of a human is usually regulated by

Winston stands on the edge of a building's flat roof, 12 m above the ground, and throws a 147.0-g baseball straight down. the ball hits the ground at a speed of 18 m/s. what was the initial speed of the ball?