Which of the following statements about scientific theories and laws is correct?


Answer: Laws explain HOW the natural world works the way it does, and theories explain WHY it works the way it does

Physics & Space Science

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________ galaxies contain mostly Population II stars; while ________ galaxies contain both Population I and Population II stars.

A. Elliptical; spiral B. Spiral; elliptical C. Irregular; elliptical D. Irregular; spiral

Physics & Space Science

An object that is 47.5 cm tall forms an image that is 38.6 cm tall and 14.8 cm from a spherical mirror. How far is the object from the mirror?

A) 124 cm B) 47.6 cm C) 18.2 cm D) 12.0 cm

Physics & Space Science

Consider a situation where a skater pulls her arms inward, causing her rotation rate to speed up. Angular momentum is conserved

Indicate whether the statement is true or false

Physics & Space Science

What is the total number of individual atoms in a water molecule?

A) one B) two C) three D) four E) none

Physics & Space Science