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Puzzler:

Puzzler: You’re holding a bowling ball, while sitting in a boat, which is floating in a swimming pool. When you drop the ball overboard, the water level in the pool will rise a little. fall a little. stay the same. 1 of 3.

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Puzzler:

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  1. Puzzler: You’re holding a bowling ball, while sitting in a boat, which is floating in a swimming pool. When you drop the ball overboard, the water level in the pool will rise a little. fall a little. stay the same.

  2. 1 of 3 • Jogger B runs along a circular track at constant speed from point 1 to point 2. Jogger A runs at constant speed along the straight line joining 1 and 2. Both joggers leave 1 simultaneously, and arrive at 2 simultaneously. A’s speed is: • greater than B’s. • equal to B’s. • less than B’s. • incomparable to B’s without more information. PATH OF B PATH OF A 1 2 2

  3. 2 of 3 • Jogger B runs along a circular track at constant speed from point 1 to point 2. Jogger A runs at constant speed along the straight line joining 1 and 2. Both joggers leave 1 simultaneously, and arrive at 2 simultaneously. The magnitude of A’s average velocity is: • greater than that for B. • equal to that for B. • less than that for B. • incomparable to that for B without more information. PATH OF B PATH OF A 1 2 3

  4. 3 of 3 • A bicyclist follows the bike path starting at point 1 heading east at first. The path eventually leads back around to point 1. If the path length is 5 miles, and the cyclist completes the trip in 30 min, then the magnitude of the cyclist’s average velocity would be: • 15 mph. (mph = miles/hour) • 10 mph. • 5 mph. • 0 mph. PATH OF CYCLIST 1 4

  5. Announcements:

  6. 1 of 3 • Jogger B runs along a circular track at constant speed from point 1 to point 2. Jogger A runs at constant speed along the straight line joining 1 and 2. Both joggers leave 1 simultaneously, and arrive at 2 simultaneously. A’s speed is: • greater than B’s. • equal to B’s. • less than B’s. • incomparable to B’s without more information. PATH OF B PATH OF A 1 2 6

  7. 2 of 3 • Jogger B runs along a circular track at constant speed from point 1 to point 2. Jogger A runs at constant speed along the straight line joining 1 and 2. Both joggers leave 1 simultaneously, and arrive at 2 simultaneously. The magnitude of A’s average velocity is: • greater than that for B. • equal to that for B. • less than that for B. • incomparable to that for B without more information. PATH OF B PATH OF A 1 2 7

  8. 3 of 3 • A bicyclist follows the bike path starting at point 1 heading east at first. The path eventually leads back around to point 1. If the path length is 5 miles, and the cyclist completes the trip in 30 min, then the magnitude of the cyclist’s average velocity would be: • 15 mph. (mph = miles/hour) • 10 mph. • 5 mph. • 0 mph. PATH OF CYCLIST 1 8

  9. PROJECTION SCREEN 1 4 1 4 1 4 1 4 2 5 2 5 2 5 2 5 3 6 3 6 3 6 3 6 HAND IN TODAY’S ACTIVITY SHEETS 9

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