2. Find kinetic energy of dart leaving gun: 11.4891 m/s 2 DnoI 1 ond anlit
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![O PowerPoint Slide Show - [WORK_E~3 [Compatibility Mode]] - PowerPoint
Spring / projectile problem
After Moe hits Curly on the head with a hammer Curly
retaliates by firing a dart at him with a suction cup tip
from spring-loaded dart gun. The dart's mass is 15 g
and the spring constant of the spring in the
22 N/cm. When loaded, the spring is compressed 3 cm.
Curly fires the gun at an angle of 19° below the
horizontal from up on a ladder. He misses Moe, but the
dart hits Larry and sticks to his forehead 1.4 m below.
What is the range of Curly's dart?
gun
is
Hints on next slide.
Slide 51 of 80
10:25 am
P Type here to search
A a 9 4)) ENG
13/04/2022](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4f05ebeb-fe4d-4768-8e8a-4918c177aa10%2F27c00d2c-1d55-45ee-b4d4-8e8934eef10f%2Fkodcuxv_processed.png&w=3840&q=75)
Transcribed Image Text:O PowerPoint Slide Show - [WORK_E~3 [Compatibility Mode]] - PowerPoint
Spring / projectile problem
After Moe hits Curly on the head with a hammer Curly
retaliates by firing a dart at him with a suction cup tip
from spring-loaded dart gun. The dart's mass is 15 g
and the spring constant of the spring in the
22 N/cm. When loaded, the spring is compressed 3 cm.
Curly fires the gun at an angle of 19° below the
horizontal from up on a ladder. He misses Moe, but the
dart hits Larry and sticks to his forehead 1.4 m below.
What is the range of Curly's dart?
gun
is
Hints on next slide.
Slide 51 of 80
10:25 am
P Type here to search
A a 9 4)) ENG
13/04/2022
![O PowerPoint Slide Show - [WORK_E~3 [Compatibility Mode]] - PowerPoint
Stooge problem hints
Summary of info:
m= 15 g; k=22 N/cm; x=3 cm; Ay= -1.4 m; 0=-19°
1. Calculate elastic potential energy:
0.99 J
2. Find kinetic energy of dart leaving gun:
11.4891 m/s
3. Draw velocity vector and split into components.
Horizontal component:
10.8632 m/s
Vertical component:
-3.7405 m/s
4. Use kinematics to find hang time:
0.2751 s
5. Use d = vt to find range:
2.99 m
O I O
Slide 52 of 80
10:25 am
P Type here to search
A a 9 4)) ENG
13/04/2022](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4f05ebeb-fe4d-4768-8e8a-4918c177aa10%2F27c00d2c-1d55-45ee-b4d4-8e8934eef10f%2F0y3mpmg_processed.png&w=3840&q=75)
Transcribed Image Text:O PowerPoint Slide Show - [WORK_E~3 [Compatibility Mode]] - PowerPoint
Stooge problem hints
Summary of info:
m= 15 g; k=22 N/cm; x=3 cm; Ay= -1.4 m; 0=-19°
1. Calculate elastic potential energy:
0.99 J
2. Find kinetic energy of dart leaving gun:
11.4891 m/s
3. Draw velocity vector and split into components.
Horizontal component:
10.8632 m/s
Vertical component:
-3.7405 m/s
4. Use kinematics to find hang time:
0.2751 s
5. Use d = vt to find range:
2.99 m
O I O
Slide 52 of 80
10:25 am
P Type here to search
A a 9 4)) ENG
13/04/2022
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