A 13 g paper airplane is thrown from the top of a 40 m high building with an initial velocity of 1.8 m/s directed 13° above the horizontal. Using energy techniques and ignoring any air resistance, find the speed of the paper airplane as it reaches the ground below the building. i m/s Hint Assistance Used Mechanical energy is conserved. What is the vertical change in position? What is the effect, if any, of throwing the airplane with an initial angle? Submit Answer Save for Later

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6.5 The Conservation of Mechanical Energy
A 13 g paper airplane is thrown from the top of a 40 m high building with an initial velocity of 1.8 m/s directed 13° above the
horizontal. Using energy techniques and ignoring any air resistance, find the speed of the paper airplane as it reaches the ground
below the building. i
m/s
S
Hint
Assistance Used
Mechanical energy is conserved. What is the vertical change in position? What is the effect, if any, of throwing the airplane with
an initial angle?
Save for Later
Submit Answer
387 of 760 words
IX
English (United States)
JUN
tv
21
Page 1 of 2
7 A
G
Focus
W
Transcribed Image Text:6.5 The Conservation of Mechanical Energy A 13 g paper airplane is thrown from the top of a 40 m high building with an initial velocity of 1.8 m/s directed 13° above the horizontal. Using energy techniques and ignoring any air resistance, find the speed of the paper airplane as it reaches the ground below the building. i m/s S Hint Assistance Used Mechanical energy is conserved. What is the vertical change in position? What is the effect, if any, of throwing the airplane with an initial angle? Save for Later Submit Answer 387 of 760 words IX English (United States) JUN tv 21 Page 1 of 2 7 A G Focus W
65
107703
3719
ку
1000g) -0.013kg
ровку
M: 13 g-0 (137) (100)
-D
ho=40m
Vo = 1.8 m/s, 13° abor horizontal
find Vp
2)
-D
Waranty = mg (ho-hf) - D W = (.013) (9.31 m/s) (40m) -> W= 5.1 j
W = (FXCoseX'S)
fals
W
OLOG
LO
Tho
عراف
Transcribed Image Text:65 107703 3719 ку 1000g) -0.013kg ровку M: 13 g-0 (137) (100) -D ho=40m Vo = 1.8 m/s, 13° abor horizontal find Vp 2) -D Waranty = mg (ho-hf) - D W = (.013) (9.31 m/s) (40m) -> W= 5.1 j W = (FXCoseX'S) fals W OLOG LO Tho عراف
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