On he The 1.A place-kicker kicks a football at an angle of 40° above the horizontal axis. speed of the ball is vi = 22 m/s. Find the maximum height the ball attains. 2. An arTOW has an initil lounoh f 10

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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vi = 250 m/s
0 = 37°
R= ?
Solution:
(vi sin 20)
(vi sin 0)
2vi sin 0
R =
dy:
t =
2g
(2502 sin(2x37)
9.8m/s?
(2)(250m/s)(sin37)
(250m/ssin 37)²
2(9.8m/s)
R =
dy
t 3D
%3D
9.8m/s2
dy = 1154.91 m
t = 30.70s
R = 6130.50 m
What Have I Learned So Far?
Solve the following problems on the space provided. Box the final answers.
1.A place-kicker kicks a football at an angle of 40° above the horizontal axis.
speed of the ball is vi = 22 m/s. Find the maximum height the ball attains.
The
2. An arrow has an initial launch speed of 18 m/s. If it must strike a target 31 m
away at the same elevation, what should be the projection angle?
26
Transcribed Image Text:vi = 250 m/s 0 = 37° R= ? Solution: (vi sin 20) (vi sin 0) 2vi sin 0 R = dy: t = 2g (2502 sin(2x37) 9.8m/s? (2)(250m/s)(sin37) (250m/ssin 37)² 2(9.8m/s) R = dy t 3D %3D 9.8m/s2 dy = 1154.91 m t = 30.70s R = 6130.50 m What Have I Learned So Far? Solve the following problems on the space provided. Box the final answers. 1.A place-kicker kicks a football at an angle of 40° above the horizontal axis. speed of the ball is vi = 22 m/s. Find the maximum height the ball attains. The 2. An arrow has an initial launch speed of 18 m/s. If it must strike a target 31 m away at the same elevation, what should be the projection angle? 26
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