A PV panel weighs 28.167 lbs. and covers 13.74 sq. ft. of roof space. What is the rati?o of panel weight to sq. ft. of roof?
Fill in the blank(s) with the appropriate word(s).
2.05 lbs. to 1 sq. ft.
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Mom and Grandma are each baking chocolate chip cookies. Each gives you two cookies. One of Mom’s cookies has 14 chips in it and the other has 11. Grandma’s cookies have 6 and 8 chips.
a. Estimate the mean number of chips in one of Mom’s cookies. b. Estimate the mean number of chips in one of Grandma’s cookies. c. Find the uncertainty in the estimate for Mom’s cookies. d. Find the uncertainty in the estimate for Grandma’s cookies. e. Estimate how many more chips there are on the average in one of Mom’s cookies than in one of Grandma’s. Find the uncertainty in this estimate.
How many data input lines would you expect to find on an 8-bit magnitude equality comparator?
A) 8 B) 4 C) 2 D) 16
Which of the following devices measures ohms, amps, and volts?
a. Multimeter b. Phase tester c. Ammeter d. Megohmmeter
Which type of bone may be approximately as large around as it is long?
a. Irregular bones c. Long bones b. Short bones d. Flat bones