Why is soft iron used for the core of an electromagnet?

The ratio of useful energy output to total energy input is called energy.

One of the greatest roadblocks to itaian unity was

An aircraft with a mass of 2700kg is moving across the runway at 2m/s. How much Force is involved?

Fiber is an example of a complex carbohydrate true or false

the minute hand on a clock is 9 cm long and travels through an arc of 252 degrees every 42 minutes. To the nearest tenth of a centimeter, how far does the minute hand travel during a 42 minute period

A loop of wire is placed in a uniform magnetic field. (a) For what orientation of the loop is the magnetic flux a maximum? The plane of the loop is perpendicular to the magnetic field. The plane of the loop is parallel to the magnetic field.

Dr. Arenas is a scientist who has been trying to determine if increasing pressure will increase the sound that occurs when two chemicals explode.

Stephen buys a new mop he travels 3 km south and the. 4 km east and then 3km north how far does he need to go to get back. To where he started

The elements with the largest atomic radii are found in the

Students will explain, distinguish the difference between the 4 states of matter