Catapults and Projectile Motion

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Catapults and Projectile Motion
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Thought Question

• Two balls having different speeds roll off the
  edge of a table at the same time. Which ball hits
  the floor sooner?
• A. The ball rolling faster
• B. The ball rolling slower
• C. Both at the same time
• D. It depends on their size

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Thought Question

• Two balls having different speeds roll off the
  edge of a table at the same time. Which ball hits
  the floor sooner?
• A. The ball rolling faster
• B. The ball rolling slower
• C. Both at the same time
• D. It depends on their size
• Gravity acts the same on BOTH balls
  consistently. They both fall at the same rate

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Velocity Decreasing
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Velocity Zero
Velocity Decreasing
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Velocity Zero
Velocity Decreasing
Velocity Increasing
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Shortest distance between two points
This ?
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Shortest distance between two points
Or This?
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Right Triangles
Hypotenuse
90
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Right Triangles
Vy Velocity in y direction
Total VELOCITY
90
Vx Velocity in x direction
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Thought Question
40 30 20 10

• Which of the following will make the kicked
  football land on the 5 yard line rather than the
  20?
• Kicking it harder to make it go faster
• Kicking it at a 45 degree angle
• Luck
• Both A and B

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Thought Question
40 30 20 10

• Which of the following will make the kicked
  football land on the 5 yard line rather than the
  20?
• Kicking it harder to make it go faster
• Kicking it at a 45 degree angle
• Luck
• Both A and B