The units for potential energy PE are?

The amount of diffraction that occurs when a sound wave encounters a barrier depends on the wave's

According to Kepler's second law, where in a planet's orbit would it be moving fastest? Where would it be moving slowest?

A wagon is pulled at a speed of 0.40/s by a horse exerting 1,800 newton horizontal force. what is the power of the horse? power=work x joules work=force times distance

A large container of water is sitting on a balance. The weight of the container plus the water is 10 newtons. An object the weight of 7 newtons hanging from a forcemeter is lowered towards the surface of the water.

One of any living thing is?

As protostars continue to contract, their cores become hotter and more dense until what process begins ...

Emily jogs 3 laps at the track to warm up. She jogs at 5 mph. Then she runs 3 more laps at 7 mph. What is true about her average speed and her average velocity?

Which of the following elements are the most reactive? beryllium, calcium, magnesium, barium?

1.) State which definition of power below is correct. A.) the energy transferred per hour. B.) the energy transferred. C.) the energy transferred per second. D.) the force over a distance. 2.

Science and technology are closely related, but not the same. Which of the following is most likely a result of technology, not science?