What is the difference speed & velocity?

Newton's three laws of motion

Using Newton's second law of motion, if the force on an object is 20 N, and its mass is 5 g, what is its acceleration?

A magnet attracts a piece of iron. The iron can then attract another piece of iron. On the basis of domain alignment, explain what happens in each piece of iron.

A mining company plans to improve the infrastructure in a location to start mining activities. The company calculated the costs and earnings listed below to find out if mining would be economically feasible in the location.

How can motion be described?

What is the direction of the force when an object moved in a circle

An observer notes that the pitch of a sound is becoming progressively higher. the observer can conclude that the sound is moving

A falling back in mid air has what

What objects are often arranged by their properties

Which nuclei is not radioactive? A. Am-241 B. Mg-24 C. Pu-241 D. U-238