2 A kovács a meleg vasat a hideg vízbe teszi. A vas

energiája 300 kJ-lal csökkent. Mennyivel nőtt a vízé?

Opaque materials always appear to be white. t or f

What is the net force on a cart that is pulled to the right with 100 pounds of force and to the left with 30 pounds of force? A. The net force is 70 pounds to the right. B. The net force is 130 pounds. C. The net force is 70 pounds to the left. D.

Which statement about thermal energy (or heat energy) is most accurate? Answers ... *It means how hot something is. *It is the same thing as temperature. *It increases with the motion of particles within a substance.

In what type of wave do the particles in the medium experience forces parallel to the wave's direction?

A person jogs 4. o km in 32 minutes then 2.0 km in 22 minutes and finally 1.0 km in 16 minutes. What is the joggers average speed in km per minute

Which environmental hazard is directly related to nuclear power production? land stripping global warming radiation leakage soil erosion

You eat an apple, so what energy transformations will it go through?

What equation gives the velocity at a specific time for an object with constant acceleration?

Consider the incomplete equation below Superscript 4 subscript 2 upper H e plus superscript 4 subscript 2 upper H e right arrow question mark.

When the temperature of a gas decreases at constant volume, its a. pressure increases. b. mass increases. c. pressure decreases. d. particles move faster.