2. Suppose the body in Sample 16.2 (on the book) is projected at 24.5 m/s, 60° above the horizontal. Find the; (a) time of flight (b) range, and (c) maximum height
2. Suppose the body in Sample 16.2 (on the book) is projected at 24.5 m/s, 60° above the horizontal. Find the; (a) time of flight (b) range, and (c) maximum height
Physics for Scientists and Engineers, Technology Update (No access codes included)
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Author:Raymond A. Serway, John W. Jewett
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Chapter39: Relativity
Section: Chapter Questions
Problem 39.3P: The speed of the Earth in its orbit is 29.8 km/s. If that is the magnitude of the velocity v of the...
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Solve the following problems. (Please refer to the picture and answer the three subparts)
Transcribed Image Text:2. Suppose the body in Sample 16.2 (on the book) is projected at 24.5 m/s, 60° above the horizontal. Find
the;
(a) time of flight
(b) range, and
(c) maximum height
Transcribed Image Text:practice Exercise 16.2-
the body in Sample Problem 16.2 is projected at 24.5 m/s, 60° above the horizontal. Find
the (a) time of flight, (b) range, and (c) maximum height.
horizontal.
of the object when it reaches the
Suppose
in
The maximum height attained by a projectile depends on the angle of projection ở for a given
initial speed. A projectile fired at an angle closer to 90° stays longer in the air and attains a greater
height.
The range also depends on the angle of projection. For a given initial speed, raising the angle
of projection up to 45° increases the range. Maximum range is obtained at 45°. Anything higher
decreases the range. In addition, two complementary angles give the same range for a given initial
velocity. Thus, angles of projection of 20° and 70° for a given initial velocity cover the same range.
Figure 16-4 shows the effect of angle of projection on maximum height and range of a projectile.
75°
60°
45°
30°
150
Range
Maximum
height
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