A hole of radius r is bored through the center of a sphere of radius r. Find the volume v of the remaining portion of the sphere.

How does an electrically polarized object differ from an electrically charged object?

A car engine changes chemical potential energy into the what energy so the car can move

What is the direction of friction if a ball is rolling on the ground?

A machine has a mechanical advantage of 5. what force should be applied to the machine to make it apply 30000

In 1986, an enormous iceberg broke away from the Ross Ice Shelf in Antarctica. It was an approximately rectangular prism 160 km long, 40.0 km wide, and 250 m thick.

Match the following. 1. energy a push or a pull 2. mechanical energy energy of a moving object 3. kinetic energy a force directed away from an object 4. heat the ability to do work 5. work a force moving an object through a distance 6.

Scientists hypothesize that oxygen began to accumulate in earth's atmosphere of living things with the ability to?

The 3 stages of the water cycle are

What is the main natural force responsible for mass movement of rocks and debris?

In a mass spectrometer, a specific velocity can be selected from a distribution by injecting charged particles between a set of plates with a constant electric field between them and a magnetic field across them (perpendicular to the direction of