If you want to tune a guitar string to a higher frequency, you should
a) increase the tension in the string.
b) decrease the tension in the string.
c) replace the string with a longer one.
d) replace the string with a more massive one.

A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocket’s acceleration during the first 16-s? b. what is the rocket’s speed as it passes through a cloud 5100-m above the ground?

Do you agree with scientist’s prediction about the warming of alaska and other polar regions?

Choose a synonym for the underlined homonym (a word with two or more meanings). i did not expect the boat to rock so much. a. boulder c. astound b. sway d. shock