The greatest percentage of heat loss from an average house with 6-inches of fiberglass in the walls, 4- inches in the floor, 9-inches in the roof, and double pane windows, comes from the ________
a. roof b. walls c. floor d. windows
d
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Free Fall: To determine the height of a flagpole, Abby throws a ball straight up and times it. She sees that the ball goes by the top of the pole after 0.50 s and then reaches the top of the pole again after a total elapsed time of 4.1 s. How high is the pole above the point where the ball was launched? Neglect air resistance.
A. 10 m B. 13 m C. 16 m D. 18 m E. 26 m
What is the smallest of the Galilean moons? Why is it then the brightest?
What will be an ideal response?
One idea for interstellar spacecraft involves harnessing energy from nuclear bombs detonated in space
Indicate whether the statement is true or false
Relative to its average speed in air, the average speed of a beam of light in glass is
A) more. B) the same. C) less.