PHYSICS CLASS ACTIVITY

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PHYSICS CLASS ACTIVITY
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C.A. Vo of Marble Launcher
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C.A. 6 Marble Launcher Vmuzzle

• Determine muzzle velocity of launcher 3 ways
• 1) Vertical shoot
• 2) Photogate timer
• 3) Horizontal shoot

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C.A. 6 Marble Launcher Vmuz

• Find
• Muzzle velocity

Method 1 Vertical Shoot

• Measure
• Y max

a ?
a g
Vtop 0
-10 m/s2
Vf Vo at
d Vot ½ (at2)
Ymax ___
Vf 2 Vo2 2ad
up
down
up/down
Vmuzzle
Vimpact
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Photogate Timer
Vmuz
Photogate
Light beam
Marble
Time ???
Overhead View
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C.A. 6 Marble Launcher Vmuzzle
Method 2 Photogate Timer
Vmuz
diameter
Photogate
V d/t
diameter
d ?
t t photogate
t ?
Vmuz diameter
t photogate
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C.A. 6 Marble Launcher Vmuz
Method 3 Horizontal Shoot
Goal Determine Vmuz
Measure Y, Range
Vmuz
Y ____
Horizontal distance (X )
Vfx
Q
Vf
Vfy
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Solve for Final Velocity of Horizontal Shoot
Vfx
Vfx ____
Q
Vfy ____
Vf ____
Vf
Vfy
Q ___
SHOW CALCULATIONS CLEARLY!
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Summary of Results