A projectile is launched from point A with initial speed vo, as shown in the figure. (a) If a = 45°, determine the minimum speed vo which lets the projectile lands on the 10m-hight platform. %3D (b) If vo = 30 m/s, determine the value of the launch angle a which maximizes the range Rindicated in the figure, and the corresponding value of R. B 10 m A/a. 50 m R

Principles of Physics: A Calculus-Based Text
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Author:Raymond A. Serway, John W. Jewett
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Chapter3: Motion In Two Dimensions
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A projectile is launched from point A with initial speed vo, as shown in the figure.
(a) If a = 45°, determine the minimum speed vo which lets the projectile lands
on the 10m-hight platform.
(b) If vo = 30 m/s, determine the value of the launch angle a which maximizes the
range R indicated in the figure, and the corresponding value of R.
B
10 m
A
/a
50 m
R-
Transcribed Image Text:A projectile is launched from point A with initial speed vo, as shown in the figure. (a) If a = 45°, determine the minimum speed vo which lets the projectile lands on the 10m-hight platform. (b) If vo = 30 m/s, determine the value of the launch angle a which maximizes the range R indicated in the figure, and the corresponding value of R. B 10 m A /a 50 m R-
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