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(a) In Galileo's Two New Sciences, the author states that "for elevations [angles of projection] which exceed or fall short of 45° by equal amounts, the ranges are equal." Prove this statement. See Fig. (b) For an initial speed of 30.0 m/s and a range of 20.0 m, find the two possible elevation angles of projection.

(a) In Galileo's Two New Sciences, the author states that "for elevations [angles of projection] which exceed or fall short of 45° by equal amounts, the ranges are equal." Prove this statement. See Fig. (b) For an initial speed of 30.0 m/s and a range of 20.0 m, find the two possible elevation angles of projection.

Grade:10

1 Answers

Kevin Nash
askIITians Faculty 332 Points
6 years ago
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