A baseball is traveling (+30 m/s) and is hit by a bat. It leaves the bat traveling (-40 m/s). What is the change in the velocity? Remember that direction is what makes velocity different than speed.

Radio waves travel at the same speed as ultra-violet rays. a. True b. False

What does work depend on in scientific terms?

A museum curator moves artifacts into place on various different display surfaces. If the curator moves a 145 kg aluminum sculpture across a horizontal steel platform with a force of 668N, what is the coefficient of kinetic friction?

Define acceleration in your own words. Write the formula for acceleration and identify each term.

5. Ultraviolet rays are potentially harmful to us primarily due to their A. intensity B. high frequency. C. long wavelength. D. amplitude.

In a series circuit, loads which have the same voltage dropped across them will have?.

When a brick is dropped from the roof of a house, it lands on the ground with a speed v. What will the speed at ground level be for an identical brick dropped from a roof twice as high as the first one?

The scientific method begins with recognizing a problem. The recognized problem in this scenario is, "Why is the printer in the office not working?" Choose the hypotheses that are testable and from which an experiment can be formed.

The correctly balanced equation for H2O2 → H2O + O2 is

How would an unbalanced chemical equation convey misleading information about what took place during a chemical reaction?