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CENCO® AP Physics Lab 7: Conservation of momentum - Ballistic Pendulum

WARD470018-124 2192-97
The Ballistic Pendulum Lab is a classic experiment that determines conservation of energy and angular momentum.

  • Multiple Launching Positions
  • Easy-To-Read Protractor
  • Extraction Device for Ball
  • Students Determine the Initial Velocity of the Marble
  • Purpose for Students: to Practice Trigonometry, Kinematics, and Angular Momentum Formulas
Teachers show conservation of momentum by launching a ball into a pendulum. The height to which the pendulum increases is directly proportional to the marble’s initial energy. This offers students an opportunity to use trigonometry, kinematics, and angular momentum formulas to determine the initial velocity of the marble. A photogate measures the actual velocity of the marble to provide the lab with an alternate method of determining energy. Students can conduct the lab both ways and compare the two results.

AP and the Advanced Placement Program are registered trademarks of the College Entrance Examination Board, which does not endorse and was not involved in the production of these products.

Ordering information: The kit includes a ballistic pendulum, two 50 N spring scales, metric ruler, cord, stopwatch, and caliper. A triple beam balance and meter stick are required but not provided. A force probe can be used instead of the spring scales.



Item # Description For Use With Unit Availability Price Quantity
470018-124 CENCO AP Physics Lab 7: Conservation of momentum - Ballistic Pendulum
1 Lab group Kit of 1 Retrieving


Item # Description Unit Availability Price Quantity
470002-950 Vernier Low-g Accelerometer
Each Retrieving


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