After school, several students skateboard at the nearby park. your best friend, erwin, is a good skateboarder and happens to fall when attempting a fancy trick. after falling, erwin gets back up and starts repeating the trick over and over again. how would a cognitive psychologist interpret erwin getting back up and repeating the trick many times?

The astronauts on the space shuttle flights experienced an acceleration of 29 m/s2 (about 3 "g's") during lift-off. what upward force must the astronaut's seat apply to the astronaut in order to cause this acceleration? assume the astronaut's mass is 70 kg, and compute this force when the acceleration is near the earth's surface so their weight equals latex: mg m g .

What you see with your eyes is a form of energy. a. light b. heat c. chemical d. electrical

Compare the patterns of the two waves shown in the image. which statement is true about these waves?