What is the main purpose of trying to quickly cool heated food?

What is true for two pieces of iron at the same temperature? A. The average kinetic energy of their particles is the same. B. The total kinetic energy of their particles is equal. C. Heat flows from the larger object to the smaller object. D.

An electric field around two charged objects is shown. What are the charges of objects X and Y?

The study of the living and non living things in a environment is

How does temperature affect the speed of sound in the air

A glider is gliding through the air at a height of 416 meters with a speed of 45.2 m/s. The glider dives to a height of 278 meters. Determine the glider's new speed.

If the density of an object is 30 g/cm3 and its volume is 10 cm3, what is its mass in grams?

Explain how atoms are aligned in a magnet in terms of the North and South poles.

Which of the following has the largest gravitational potential energy A. a 10kg dog running down the street at 30mph B. a tightrope walker slowly crossing niagara falls C. a 0.02kg bullet moving down the barrel at 800mph D.

Why does the speed of an object change when a force acts on it?

What are factors that would change the position of the wave lengths measured? (There are more than one answer.) a) size of the tube b) tuning fork frequency c) distance between the tuning fork and tube d) room temperature e) area of the tube