30
ce
er 19
sed
review questions
1. which of the following is not a utility for quickly accessing web pages a user
has visited previously?
a. bookmarks
b. internet history
c. a search engine
d. a favorites

In physics the desire of an object to keep doing what it is doing is termed?

Work = force × a. work b. energy c. distance d. momentum

Aresistor with an unknown resistance is connected in parallel to a 9 ω resistor. when both resistors are connected in parallel to an emf source of 21 v, the current through the unknown resistor is measured with an ammeter to be 4 a. what is the resistance of the unknown resistor? answer in units of ω.