When meteoroids strike the planet, these craters are left behind. The image above shows the craters from afar and then up-close. Which of the following statements is supported by the images? A.
Meteoroids always strike with the same force producing craters that are all identical in size.
B.
When viewed up-close, craters appear similar in size but from a distance, the craters are different in size.
C.
Craters are always located very far apart on the surface of planets and are never close to one another.
D.
Craters occur in patterns across the surface of a planet and are always the same distance apart.

How many moles are in 250 grams of tungsten (w)? * 4.4x10^23 moles 4.2x10^23 moles 0.7 moles 1.4 moles

When an object falls through the air and encounters air resistance its overall speed will be than if it had not encountered air resistance? (one word answer)

Two nitro no2 groups are chemically bonded to a patch of surface. they can't move to another location on the surface, but they can rotate (see sketch at right). it turns out that the amount of rotational kinetic energy each no2 group can have is required to be a multiple of ε, where =ε×1.010−24 j. in other words, each no2 group could have ε of rotational kinetic energy, or 2ε, or 3ε, and so forth — but it cannot have just any old amount of rotational kinetic energy. suppose the total rotational kinetic energy in this system is initially known to be 32ε. then, some heat is removed from the system, and the total rotational kinetic energy falls to 18ε. calculate the change in entropy. round your answer to 3 significant digits, and be sure it has the correct unit symbol.