He density of ice is 0.92 g/cm3; and the density of seawater is 1.03 g/cm3. a large iceberg floats in arctic waters. what fraction of the volume of the iceberg is exposed?

Which is measured by the power of a machine?

Suppose a student takes a study break from astronomy homework and steps out onto his or her balcony on a summer evening. 1. The constellation Cygnus is low in the eastern part of the sky and the 2.

A hydraulic lift is being designed to lift cars. The input piston has an area of 10 cm2 and can handle a force up to 400 N. The lift must be able to move cars with a mass as large as 1800 kg.

By how much does the speed of an object in free fall change each second?

How does the electrical force relate to the distance between two charged objects

Two objects experience a 12 N electrical force between them. What force will the objects experience if the distance between them is doubled?

a submarine moving directly upward in the water at constant speed. The weight of the summer and it is 500,000 N. The submarines motors are off. The magnitude of the buoyant force acting on the submarine is

If the car went 30 km west in 25 min. and then 40 km east in 35 min., what would be its total displacement?

Which of the following is not the name of a space station that was in orbit around Earth?

Relationship between acceleration and free fall