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RHS SCIENCE TAKS REVIEW

Formulas guide our thinking. RHS SCIENCE TAKS REVIEW. MOMENTUM. An object with momentum is hard to stop. Momentum. Momentum = Mass x Velocity. p = m x v. CHECK FOR UNDERSTANDING. Which has more momentum, a race car or an 18 wheeler if both are traveling at 65 mph? Explain your answer.

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RHS SCIENCE TAKS REVIEW

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  1. Formulas guide our thinking RHSSCIENCETAKS REVIEW MOMENTUM

  2. An object with momentum is hard to stop Momentum • Momentum = Mass x Velocity p = m x v

  3. CHECK FOR UNDERSTANDING • Which has more momentum, a race car or an 18 wheeler if both are traveling at 65 mph? Explain your answer. Solution the truck it has more mass

  4. CHECK FOR UNDERSTANDING • Can an object moving slowly have a large momentum? Explain your answer.

  5. Yes

  6. CHECK FOR UNDERSTANDING • Can an object with a small mass have a large momentum? Explain your answer.

  7. Yes

  8. CHECK FOR UNDERSTANDING • Can an object at rest have a large momentum? Explain your answer.

  9. No An object at rest has no momentum, no matter how large its mass. Momentum = Mass x velocity = Mass x (0) = 0

  10. CHECK FOR UNDERSTANDING In 1974 Nolyn Ryan’s pitch was clocked at 45.05 m/s (100.08 mi/hr). A standard base ball has a mass of 0.145 kg. What was the momentum of the ball? • p = mv • P = (45.05 m/s)(0.145 kg) = 6.532 kg.m/s

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