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Impulse and Momentum: Exploring Collisions and Bouncing Effects

Dive deep into the concepts of impulse and momentum in different scenarios of collisions and bouncing objects. Explore the change in momentum, impulse, stopping time, and force in each case. Engage in hands-on demonstrations, observations, and Java activities to understand these physics principles better.

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Impulse and Momentum: Exploring Collisions and Bouncing Effects

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  1. Which egg experiences a larger CHANGE in momentum? • Sheet • Wall • Same

  2. Which egg experiences a larger IMPULSE? • Sheet • Wall • Same

  3. Which egg experiences a larger STOPPING TIME (in other words, takes MORE TIME to stop)? • Sheet • Wall • Same

  4. Which egg experiences a larger FORCE? • Sheet • Wall • Same

  5. Recap • Last class, we talked about impulse changing momentum. • This class, we are going to talk about what happens if that impulse occurs during 2 scenarios: • When bouncing occurs • When a collision occurs

  6. Notes from last class • Take out your notes from last class and go to the demo section. (Nerf Guns, Ping Pong Balls, Toppling) • You will be shown each demo and give you time to jot down observations.

  7. When is impulse larger? • When objects bounce • When objects don’t bounce • Doesn’t matter either way

  8. Collisions – Today’s activity • Newton’s Cradle – what do you notice? • Observe the cars colliding…What do you notice?

  9. Java Activity • It is your job to complete #1-16; if you have time, you can try your own. • We will recap at the end of the block for a clicker question and to fill in the chart on page 1-2

  10. Throwing a ball of PlayDoh against a wall is…. • Elastic • Inelastic • Not quite sure

  11. Throwing a ball of PlayDoh against a wall is…. • Elastic • Inelastic • Not quite sure

  12. If 2 objects of EQUAL mass experience an ELASTIC collision… • Momentum IS conserved • Momentum IS NOT conserved • Not quite sure

  13. If 2 objects of UNEQUAL mass experience an ELASTIC collision… • Momentum IS conserved • Momentum IS NOT conserved • Not quite sure

  14. If 2 objects of EQUAL mass experience an INELASTIC collision… • Momentum IS conserved • Momentum IS NOT conserved • Not quite sure

  15. If 2 objects of UNEQUAL mass experience an INELASTIC collision… • Momentum IS conserved • Momentum IS NOT conserved • Not quite sure

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