The amount of heat energy required to raise the temperature of a unit mass of a material one degree is: A. absolute zero. B. a Joule. C. a Btu. D. its heat capacity

If a loaded truck that accelerates at 1 meter per second squared loses its load and has three-fourths of the origional mass, what acceleration can it attain from the same driving force

Density is __per unit volume. length area space mass

You wish to produce carbon dioxide for an experiment with plant growth. Vinegar (acetic acid) in a solution will react with chalk (calcium carbonate) to produce carbon dioxide.

Which of the following do you calculate when you divide the total distance traveled by the total travel time

Which statement might be correct based on dimensional analysis? a. The height of the Transamerica Pyramid is 332 m2. b. The time duration of a fortnight is 66 m/s. c. The speed of the train is 9.8 m/s2

Which term is best used to describe the bending of light waves (A) refraction (B) reflection (C) rotation (D) revolution Which one?

One cereal bar has a mass of 37g. what is the mass of 6 bars? is that more or less than 1kg? explain

When water has a temperature greater than 100c?

A prototype shows if a product meets the required needs. True False

When frozen water melts and then evaporates, heat energy has caused the water molecules to