Assuming 70% of Earth's surface is covered in water at an average depth of 2.5 mi, estimate the mass of the water on Earth in Kilograms.

What information is necessary to describe motion scientifically? a.) The bird flies 10 m toward the ocean in two seconds. b.) The baseball player throws the ball toward home plate. c.) The runner travels 100 m in 15 seconds. d.

Cell phones are technology that is popular throughout the world. Would this technology be of use in rural areas of the world

What would happen to an object in orbit without gravity pulling down?

Energy transferred as heat occurs between two bodies in thermal contract when they differ in which of the following properties? a) mass b) specific heat c) density d) temperature

Hikers went on a five mile hike which they started at 1 pm and stopped at 3 pm they ended up 300 meters south of the trail head where they started. what was the hikers velocity?

The force exerted by the wind on the sails of a sailboat is 360 N north. The water exerts a force of 170 N east. If the boat (including its crew) has a mass of 310 kg, what are the magnitude and direction of its acceleration?

Explains why gravitational forces decrease in strength as distance increases.

What net force would be needed to accelerate and object with a mass of 2kg to 100m/s?

When returning from sea a green navigational buoy should be passed in what manner?

A car has an initial velocity of 11.2 m / sec. the car accelerates at 10.0 m / s2 for 8.0 seconds. what is the velocity of the car at the end of the 8.0 seconds?