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PHYS-1600/2000PHYS-1600/2000 I3 AccelerationNEBRASKA WESLEYAN UNIVERSITYFALL DEAN SIEGLAFF NATHANIEL CUNNINGHAM of 14 1 Today’s Puzzler: Two trains each traveling at 30 km/hour are approaching each other on the same straight railroad track. When the trains are 30 km apart, a bird resting at the front of one train takes off and flies at a constant speed of 50 km/hour to the other train. As soon as the bird reaches the other train, it instantly turns around and flies back to the original train, and keeps repeating this back and forth at the same constant speed until the trains collide. How far will the bird have flown at the time of the collision? Enter your answer as the nearest whole number of kilometers.

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PHYS-1600/2000PHYS-1600/2000 I3 AccelerationNEBRASKA WESLEYAN UNIVERSITYFALL DEAN SIEGLAFF NATHANIEL CUNNINGHAM of 14 2 ANNOUNCEMENTS

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PHYS-1600/2000PHYS-1600/2000 I3 AccelerationNEBRASKA WESLEYAN UNIVERSITYFALL DEAN SIEGLAFF NATHANIEL CUNNINGHAM of of 3 A vehicle is traveling in the x direction. It uniformly accelerates from a green light, but then reaches cruising speed and stops accelerating. Select the velocity (v) vs. time (t) graph that best represents the motion described: v t v t v t v t

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PHYS-1600/2000PHYS-1600/2000 I3 AccelerationNEBRASKA WESLEYAN UNIVERSITYFALL DEAN SIEGLAFF NATHANIEL CUNNINGHAM of of 3 A ball is thrown directly upward. Neglect atmospheric drag. Which a y vs. t graph (a graph of the vertical component of acceleration) best represents the motion experienced by the ball on the way up and on the way down? 1 34 ayay t 2 ayay t ayay t ayay t

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PHYS-1600/2000PHYS-1600/2000 I3 AccelerationNEBRASKA WESLEYAN UNIVERSITYFALL DEAN SIEGLAFF NATHANIEL CUNNINGHAM of of A ball is thrown directly upward. Neglect atmospheric drag. Which acceleration vector best represents the motion experienced by the ball at the moment it reaches its maximum height? a a a = 0

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PHYS-1600/2000PHYS-1600/2000 I3 AccelerationNEBRASKA WESLEYAN UNIVERSITYFALL DEAN SIEGLAFF NATHANIEL CUNNINGHAM of 14 6 ANNOUNCEMENTS

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PHYS-1600/2000PHYS-1600/2000 I3 AccelerationNEBRASKA WESLEYAN UNIVERSITYFALL DEAN SIEGLAFF NATHANIEL CUNNINGHAM of 14 7

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PHYS-1600/2000PHYS-1600/2000 I3 AccelerationNEBRASKA WESLEYAN UNIVERSITYFALL DEAN SIEGLAFF NATHANIEL CUNNINGHAM of 14 8

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PHYS-1600/2000PHYS-1600/2000 I3 AccelerationNEBRASKA WESLEYAN UNIVERSITYFALL DEAN SIEGLAFF NATHANIEL CUNNINGHAM of 14 9

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PHYS-1600/2000PHYS-1600/2000 I3 AccelerationNEBRASKA WESLEYAN UNIVERSITYFALL DEAN SIEGLAFF NATHANIEL CUNNINGHAM of 14 10

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PHYS-1600/2000PHYS-1600/2000 I3 AccelerationNEBRASKA WESLEYAN UNIVERSITYFALL DEAN SIEGLAFF NATHANIEL CUNNINGHAM of of 3 A vehicle is traveling in the x direction. It uniformly accelerates from a green light, but then reaches cruising speed and stops accelerating. Select the velocity (v) vs. time (t) graph that best represents the motion described: v t v t v t v t

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PHYS-1600/2000PHYS-1600/2000 I3 AccelerationNEBRASKA WESLEYAN UNIVERSITYFALL DEAN SIEGLAFF NATHANIEL CUNNINGHAM of of 3 A ball is thrown directly upward. Neglect atmospheric drag. Which a y vs. t graph (a graph of the vertical component of acceleration) best represents the motion experienced by the ball on the way up and on the way down? 1 34 ayay t 2 ayay t ayay t ayay t

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PHYS-1600/2000PHYS-1600/2000 I3 AccelerationNEBRASKA WESLEYAN UNIVERSITYFALL DEAN SIEGLAFF NATHANIEL CUNNINGHAM of of A ball is thrown directly upward. Neglect atmospheric drag. Which acceleration vector best represents the motion experienced by the ball at the moment it reaches its maximum height? a a a = 0

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PHYS-1600/2000PHYS-1600/2000 I3 AccelerationNEBRASKA WESLEYAN UNIVERSITYFALL DEAN SIEGLAFF NATHANIEL CUNNINGHAM of PROJECTION SCREEN HAND IN TODAY’S ACTIVITY SHEETS 6666

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