What does the release or absorption of energy indicate?

chemical change

physical change

physical and chemical changes

neither physical nor chemical changes

Why does paper stand up when a van de graaf generator is on?

A box contains 9 new light bulbs and 6 used light bulbs. Each light bulb is the same size and shape. Meredith will randomly select 2 light bulbs from the box without replacement.

How does gravity affect maglev trains?

How does kinetic energy affect the stooping distance of a small vehicle compared to a large vechile

How are seismic waves used to provide evidence about earth's interior

9. What is the uncertainty of the measurement of a voltage measurement on the oscilloscope when the vertical scale is set to 2V / division, given that it uses an 8-bit D/A converter?

A 7 kilogram cat is resting on top of a bookshelf that is 3 meters high. What is the cat's gravitational potential energy relative to the floor?

What two factors determine the speed of sound

Is electric charge a property of just electricity or is charge a property of all atoms?

Which of the gases found in the Earth's atmosphere is an important factor for weather conditions? A) oxygen B) hydrogen C) nitrogen D) water vapor