Based on newtons first law of motion which of the following describes the action of an unbalanced force on a car

-A car moving at a fast constant speed

-A car moving at a slow constant speed

-A car that is braking

-A car that is parked

Time in years How many grams of cobalt-60 will remain after two half-lives? 1

1) Which of the following explains why a bicycle uses a gear? A.) The gear increases the effort force needed. B.) The gear increases resistance force. C.) The gear decreases effort force. D.) The gear decreases resistance force.

Choose the true statement concerning the mass of subatomic particles. A. Electrons are more massive than protons. B. Electrons are more massive than neutrons. C. Protons and neutrons have about the same mass. D.

The yearly rainfall in the rainforest is between 50 - 260 inches? id weather or climate

Which of the following types of radiation has no mass and no charge? a. alpha b. beta c. gamma d. positron

The pressure inside a champagne bottle can be quite high and can launch a cork explosively. Suppose you open a bottle at sea level. The absolute pressure inside a champagne bottle is 6 times atmospheric pressure; the cork has a mass of 7.

Using a cathode ray tube, Thomson confirmed that atoms must have an overall positive charge. atoms are made of particles that have a negative charge. electrons in atoms must have varying amounts of energy. electrons are only found in the nucleus.

A ball is rolled along the inside of a partial hoop lying flat on a table. which path will the ball follow when it gets to the end of the hoop?

What pattern of material movement found in the Earth system tracks how an element moves from living to nonliving parts? a. rock cycle b. calcium cycle c. carbon cycle d. none of the above

Why is the monolith el capitan in yosemite national park more resistant to erosion than other igneous plutons in the park?