At time t = 0 a baseball that is 5 ft above the ground is hit with a bat. The ball leaves the bat with a speed of 80 ft / s at an angle of 30 ° above the horizontal. (a) How long will it take for the baseball to hit the ground? Express your answer to the nearest hundredth of a second. (b) Use the result in part (a) to find the horizontal distance traveled by the ball. Express your answer to the nearest tenth of a foot.
At time t = 0 a baseball that is 5 ft above the ground is hit with a bat. The ball leaves the bat with a speed of 80 ft / s at an angle of 30 ° above the horizontal. (a) How long will it take for the baseball to hit the ground? Express your answer to the nearest hundredth of a second. (b) Use the result in part (a) to find the horizontal distance traveled by the ball. Express your answer to the nearest tenth of a foot.
At time
t
=
0
a baseball that is 5 ft above the ground is hit with a bat. The ball leaves the bat with a speed of
80
ft
/
s
at an angle of
30
°
above the horizontal.
(a) How long will it take for the baseball to hit the ground? Express your answer to the nearest hundredth of a second.
(b) Use the result in part (a) to find the horizontal distance traveled by the ball. Express your answer to the nearest tenth of a foot.
You are taking your first hot-air balloon ride. Your friend is standing on level ground,100 feet away from your point of launch, making a video of the terrified look on your rapidly ascending face. How rapidly? At one instant, the angle of elevation from the video camera to your face is 31.7°.One minute later, the angle of elevation is 76.2°.How far did you travel, to the nearest tenth of a foot, during that minute?
Chapter 12 Solutions
Calculus Early Transcendentals, Binder Ready Version
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