Name two conditions that are necessary for fusion to occur in the Sun's core.

Considering Newton's first law of motion, what is the best way to relate a stationary object and a moving object? A. They obey exactly the same law of motion since they can both be the same object when considered from different perspectives. B.

A car traveling at 26 m/s starts to decelerate steadily. It comes to a complete stop in 5 seconds. What is its acceleration?

Which feature of a heating curve indicates a change of state?

What are close-toed shoes least likely to provide protection against? A. hydrogen gas produced during a reaction B. spilled water from a hot-water bath C. broken glass from a dropped test tube D. acid leaking from a cracked beaker

Which way do electrons within a rectangular rod move when a negatively-charged balloon is brought near a positively-charged rod?

When a hurricane nears land what causes the most damage

Calculate if an electric hair dryer uses 2,400 j of energy in 2 s, what is its power?

Which of the following choices best represents a potential stressor?

How do you distinguish between speed, velocity, and acceleration?

The force of friction on a sliding object is 10n. the applied force needed to maintain a constant velocity is: