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

Physics & Space Science

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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

Physics & Space Science

What is the smallest of the Galilean moons? Why is it then the brightest?

What will be an ideal response?

Physics & Space Science

One idea for interstellar spacecraft involves harnessing energy from nuclear bombs detonated in space

Indicate whether the statement is true or false

Physics & Space Science

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.

Physics & Space Science