Mike launched a bal from the rooftop at a 30.0° angie to the horizontal and at a speed of 20.0 m/s. The ball is thrown from a height of 45.0 meters above the ground. What is the ball's velocity right before it hits the ground?

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11th Edition
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Author:Raymond A. Serway, Chris Vuille
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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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Mike launched a ball from the rooftop at a 30.0° angle to the horizontal and at a speed of 20.0 m/s. The ball is thrown from a height of 45.0 meters above the
ground. What is the ball's velocity right before it hits the ground?
Select one:
38.8 m/s
Ob.
45.6 m/s
46.45 m/s
Od.
35.8 m/s
O e.
37.6 m/s
O f. 55.8 m/s
g 63.15 m/s
Transcribed Image Text:Mike launched a ball from the rooftop at a 30.0° angle to the horizontal and at a speed of 20.0 m/s. The ball is thrown from a height of 45.0 meters above the ground. What is the ball's velocity right before it hits the ground? Select one: 38.8 m/s Ob. 45.6 m/s 46.45 m/s Od. 35.8 m/s O e. 37.6 m/s O f. 55.8 m/s g 63.15 m/s
A bold cowboy worker hanging on a tree branch intends to leap vertically onto a speeding horse racing beneath a tree. The horse's constant velocity is 36 km/h,
and the distance from the limb to the saddle level is 3.00 m. When the ranch hand makes his motion, what must be the horizontal distance between the saddle
and the limb? For how long will he be in the air?
Select one
O a 7.85 m, 1.12s
O b. 9.35 m, 0.855 s
O c7.85 m, 0.912s
O d. 7.82 m, 0.782 s
O e 7.58 m, 0.98 s
O f.7.45 m, 0.775 s
Og 7.96 m, 0.874 s
Transcribed Image Text:A bold cowboy worker hanging on a tree branch intends to leap vertically onto a speeding horse racing beneath a tree. The horse's constant velocity is 36 km/h, and the distance from the limb to the saddle level is 3.00 m. When the ranch hand makes his motion, what must be the horizontal distance between the saddle and the limb? For how long will he be in the air? Select one O a 7.85 m, 1.12s O b. 9.35 m, 0.855 s O c7.85 m, 0.912s O d. 7.82 m, 0.782 s O e 7.58 m, 0.98 s O f.7.45 m, 0.775 s Og 7.96 m, 0.874 s
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