Physics, 24.06.2019 20:30 lindseybug
Paheli observed the shadow of a tree at 8: 00 a. m., 12: 00 noon and 3: 00 p. m. which of the following statements is closest to her observation about the shape and size of the shadow? (a) the shape of the shadow of the tree changes but the size remains the same. (b) the size of the shadow of the tree changes but the shape remains the same. (c) both the size and shape of the shadow of the tree change. (d) neither the shape nor the size of the shadow changes.
Answers: 2
Physics, 22.06.2019 10:20
Assume that a person skiing high in the mountains at an altitude of h = 15100 ft takes in the same volume of air with each breath as she does while walking at sea level. determine the ratio of the mass of oxygen inhaled for each breath at this high altitude compared to that at sea level. assume that the air composition (i.e. % of air that is oxygen) is the same at sea level as it is at 15100 ft.
Answers: 2
Physics, 22.06.2019 12:00
Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt
Answers: 1
Paheli observed the shadow of a tree at 8: 00 a. m., 12: 00 noon and 3: 00 p. m. which of the follow...
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