3. A variable rightward force acts on an object of mass m = 2 kg, initially traveling with speed vo = 20 m/s, as it moves from x = 0 m to x = 10 m, as seen below: F(x) Vo x = 10 m m x = 0 m 0 x (m) 2 4 6 8 10 After the x = 10 m location, the object falls off a ledge. What is the speed of the object after it has fallen a distance of 50 m? F (N) 20 15 10 10 5

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Chapter5: Energy
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Problem 78AP: A hummingbird hovers by exerting a downward force on the air equal, on average, to its weight. By...
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3. A variable rightward force acts on an object of mass m = 2 kg, initially
traveling with speed vo = 20 m/s, as it moves from x = 0 m to x = 10 m,
as seen below:
F(x)
Vo
x = 10 m
m
x = 0 m
0
2
x (m)
4
6
8
10
After the x = 10 m location, the object falls off a ledge. What is the speed
of the object after it has fallen a distance of 50 m?
F (N)
20₁
15
10
10
5
Transcribed Image Text:3. A variable rightward force acts on an object of mass m = 2 kg, initially traveling with speed vo = 20 m/s, as it moves from x = 0 m to x = 10 m, as seen below: F(x) Vo x = 10 m m x = 0 m 0 2 x (m) 4 6 8 10 After the x = 10 m location, the object falls off a ledge. What is the speed of the object after it has fallen a distance of 50 m? F (N) 20₁ 15 10 10 5
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