The study of psychology should include: a. casual correlations. b. phrenology. c. the question of overconfidence. d. behavior and mental processes.

Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above helsinki at longitude 25˚ e? this would have obliterated the city.

If the spring constant k of a pogo stick is 3500 n m and the weight of the person on the pogo stick is 700 n, how much is the spring in the botom of the pogo stick compressed?

The ability to make things happen is also called a. heat b. force c. matter d. energy