A sound wave travels across a 2,100-meter wide valley in 7.0 seconds.

In how many ways can the energy of system a be distributed?

The gravitational potential energy of an object Is always measured relative to the

A fast moving super hero in a comic book runs around

A satellite orbits the earth at a distance of 1.50 * 10^{7} m above the planetʹs surface and takes 8.65 hours for each revolution about the earth. The earthʹs radius is 6.38 * 10^{6} m. The acceleration of this satellite is closest to

What does AC stand for in physics

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