What temperature is required to transfer waste heat to the environment for a heat engine to be 100 percent efficient?

a) 0°C

b) 0 K

c) 273 K

d) 212°F

Which substances show magnetic property? Iron and Glass Iron and Nickel Paper and Nickel Wood and Iron

how does the number of chromosomes in a persons sex compare with the number of chromosome in the body cell

Which object has the greatest momentum? A truck parked on the street. A man walking up a flight of stairs. A race car going around a turn at high speed. A bicyclist rolling downhill. A salmon swimming upstream.

How much more ground motion is produced by an earthquake of magnitude 7.0 than by an earthquake of magnitude 4.0?

Substance can undergo physical change or chemical change? What is difference between these two kinds of changes?

Define valence electrons and identify the number of valence electrons in an element using periodic table.

What is the phenomenon thats occours when two waves (blank) while traveling along the same medium

The acceleration of an object increases by the force applied to it and decreases based on it's mass.

Expresa en terminos de la unidad fundamental

What color does Indigo turn things?