A rock is dropped from a cliff and hits the ground 6.0 seconds later. How high is the cliff?

The smallest unit of an element that maintains the properties of that element is a (n)

The graph shows the progress of a car which traveled 300 km in 5 hrs. Assuming that its speed remained constant, how far had the car gone after 2 hrs?

Name an isotope used in medicine? What its used for

A single covalent bond forms when two atoms do which of these?

Which planet has the longest day?

The measure of the force of gravity on an object, expressed as mass of the object times acceleration due to gravity is called

Which of the following jobs does not require good swimming ability

An object has an emissivity of 0.725. At temperature T, it radicates heat at a rate of 10 W. What is its rate of heat radiation at temperature 2 T

Which of the following is an instance of persuasive speaking? a. a coach reviewing the offensive plays for next week's game b. a lawyer explaining the details of a plea bargaining agreement to her client. c.

What is needed to support life