two 3.0 kg bullets are fired with speeds of 40 m/s and 80 m/s, respectivley. what are their kinetic energies

Differentiate greenhouse effect, global warming and climate change

Every object with mass exerts a gravitational force on every other object with mass. The gravitational force between which of the following two objects would be easiest to detect with measuring equipment? A. an electron and a bowling ball OB.

What counter argument can you use if someone argues that you should not believe in plate tectonics because it is only a theory and theories are just guesses that don't mean much scientifically?

A shot hitting the birdie high and deep to the backcourt is called what

The atomic emission spectra of a sodium atom on earth and of a sodium atom in the sun would be

Which of the following do not involve a direction? Check all that apply. A. Time B. Velocity C. Distance D. Acceleration

What does deltaX mean in physics?

Which activity involves using fossil fuels directly or indirectly? 1) eating fresh fruit for a snack 2) cooking hot dogs on a campfire 3) using crayons to color 4) walking to school

Which of the following objects would have the most inertia? A. A sphere with a radius of 5 cm and a mass of 34 grams. B. A sphere with a radius of 4 cm and a mass of 15 grams. C. A sphere with a radius of 8 cm and a mass of 27 grams. D.

A boy slides a book across the floor using a force of five and over a distance of 2M what is the kinetic energy of the book after he slides at assume there is no friction