What is an advantage of using an electromagnet rather than a regular magnet?

A person whose mass is 72 kg has a momentum of 700 kg/m/s (E). What velocity must this person be travelling at? (2 sig figs)

An advertiser who calls a basement apartment a "garden apartment" is using the rhetorical device called A. hyperbole. B. euphemism. C. amphiboly. D. snob appeal.

Form a hypothesis about how deeply water could erode and about how deeply glaciers could erode

Which statement best describes scientific laws? Scientific laws are scientists' opinions of why events occur in nature. Scientific laws describe specific relationships in nature without offering an explanation.

A 2.2 kgkg block slides along a frictionless surface at 1.2 m/sm/s. A second block, sliding at a faster 4.0 m/sm/s, collides with the first from behind and sticks to it. The final velocity of the combined blocks is 1.8 m/sm/s?

What is Index of refraction?

What is an advantage of using an electromagnet rather than a regular magnet?

What is the difference between Groups and Periods?

When heat is added to a substance, describe how the molecules are affected.

On the Celsius scale, at what temperature does water boil?