p201f03-exam02

# p201f03-exam02 - Seat Physics P201 D Baxter/R Heinz EXAM#2...

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1. A billiard ball (Ball #1) moving at 5.00 m/s strikes a stationary ball (Ball #2)of the same mass in an elastic collision. After the collision, Ball #1 moves at a velocity of 4.33 m/s at an angle of 30.0˚ with respect to its original motion. Find the speed of Ball #2 after the collision. a. 1.25 m/s b. 1.44 m/s c. 2.16 m/s d. 2.32 m/s e. 2.50 m/s 2. A Porsche (mass 1250 kg) with a speed of 40.0 m/s and an SUV (mass 1850 kg) with a speed of 30.0 m/s approach an intersection going in perpendicular directions. They collide and stick together. What is the speed of the two vehicles as they move together just after the accident? a. 24.1 m/s b. 26.1 m/s c. 28.1 m/s d. 30.1 m/s e. 32.1 m/s 3. A high-diver of mass 70.0 kg steps off of a platform 10.0 meters above the water. If his downward motion is stopped 5.00 m below where he entered the water,
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## This note was uploaded on 07/02/2011 for the course PHYS 201 taught by Professor Woodahl during the Fall '09 term at Indiana.

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p201f03-exam02 - Seat Physics P201 D Baxter/R Heinz EXAM#2...

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