Which of the following is not a good reason to take lessons in a sport? a. to find out if you enjoy it. b. to learn fundamental techniques. c. to learn how to do the sport safely. d. to avoid less desirable physical activities.

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

An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.

The total amount of energy contained in an object