1. PHYS-1600/2000PHYS-1600/2000 I7 Motion of a ProjectileNEBRASKA WESLEYAN UNIVERSITYFALL 2014-2015 DEAN SIEGLAFF NATHANIEL CUNNINGHAM of 14 1 Today’s Puzzler: The picture shows the tire tracks made by the two wheels of a bicycle as it traveled through snow. In which direction was the bicycle moving? Which track corresponds to the front wheel? 1)Right to left; A is front wheel. 2)Right to left; B is front wheel. 3)Left to right; A is front wheel. 4)Left to right; B is front wheel.

2. PHYS-1600/2000PHYS-1600/2000 I7 Motion of a ProjectileNEBRASKA WESLEYAN UNIVERSITYFALL 2014-2015 DEAN SIEGLAFF NATHANIEL CUNNINGHAM of 14 2 ANNOUNCEMENTS

3. PHYS-1600/2000PHYS-1600/2000 I7 Motion of a ProjectileNEBRASKA WESLEYAN UNIVERSITYFALL 2014-2015 DEAN SIEGLAFF NATHANIEL CUNNINGHAM of 14 3 1 of 3 A projectile is launched along the path shown. The velocities at times 1 and 2 are shown. Time 1 is soon after launch. Time 2 is at the apoapsis of the flight. The x velocity of the projectile at time 2 is 1.greater than 2.equal to 3.less than that at time 1. x y 1 2 v1v1 v2v2 path

4. PHYS-1600/2000PHYS-1600/2000 I7 Motion of a ProjectileNEBRASKA WESLEYAN UNIVERSITYFALL 2014-2015 DEAN SIEGLAFF NATHANIEL CUNNINGHAM of 14 4 2 of 3 A projectile is launched along the path shown. The velocities at times 1 and 2 are shown. Time 1 is soon after launch. Time 2 is at the apoapsis of the flight. The magnitude of the acceleration of the projectile at time 2 is 1.greater than 2.equal to 3.less than that at time 1. x y 1 2 v1v1 v2v2 path

5. PHYS-1600/2000PHYS-1600/2000 I7 Motion of a ProjectileNEBRASKA WESLEYAN UNIVERSITYFALL 2014-2015 DEAN SIEGLAFF NATHANIEL CUNNINGHAM of 14 5 3 of 3 A projectile is launched along the path shown. The velocity at time 2 is shown. Time 2 is at the apoapsis of the flight. The acceleration experienced by the projectile at time 2 is 1.upward. 2.rightward. 3.downward. 4.zero. x y 2 v2v2 path

6. PHYS-1600/2000PHYS-1600/2000 I7 Motion of a ProjectileNEBRASKA WESLEYAN UNIVERSITYFALL 2014-2015 DEAN SIEGLAFF NATHANIEL CUNNINGHAM of 14 6 ANNOUNCEMENTS

7. PHYS-1600/2000PHYS-1600/2000 I7 Motion of a ProjectileNEBRASKA WESLEYAN UNIVERSITYFALL 2014-2015 DEAN SIEGLAFF NATHANIEL CUNNINGHAM of 14 7

8. PHYS-1600/2000PHYS-1600/2000 I7 Motion of a ProjectileNEBRASKA WESLEYAN UNIVERSITYFALL 2014-2015 DEAN SIEGLAFF NATHANIEL CUNNINGHAM of 14 8

9. PHYS-1600/2000PHYS-1600/2000 I7 Motion of a ProjectileNEBRASKA WESLEYAN UNIVERSITYFALL 2014-2015 DEAN SIEGLAFF NATHANIEL CUNNINGHAM of 14 9

10. PHYS-1600/2000PHYS-1600/2000 I7 Motion of a ProjectileNEBRASKA WESLEYAN UNIVERSITYFALL 2014-2015 DEAN SIEGLAFF NATHANIEL CUNNINGHAM of 14 10

11. PHYS-1600/2000PHYS-1600/2000 I7 Motion of a ProjectileNEBRASKA WESLEYAN UNIVERSITYFALL 2014-2015 DEAN SIEGLAFF NATHANIEL CUNNINGHAM of 14 11 1 of 3 A projectile is launched along the path shown. The velocities at times 1 and 2 are shown. Time 1 is soon after launch. Time 2 is at the apoapsis of the flight. The x velocity of the projectile at time 2 is 1.greater than 2.equal to 3.less than that at time 1. x y 1 2 v1v1 v2v2 path

12. PHYS-1600/2000PHYS-1600/2000 I7 Motion of a ProjectileNEBRASKA WESLEYAN UNIVERSITYFALL 2014-2015 DEAN SIEGLAFF NATHANIEL CUNNINGHAM of 14 12 2 of 3 A projectile is launched along the path shown. The velocities at times 1 and 2 are shown. Time 1 is soon after launch. Time 2 is at the apoapsis of the flight. The magnitude of the acceleration of the projectile at time 2 is 1.greater than 2.equal to 3.less than that at time 1. x y 1 2 v1v1 v2v2 path

13. PHYS-1600/2000PHYS-1600/2000 I7 Motion of a ProjectileNEBRASKA WESLEYAN UNIVERSITYFALL 2014-2015 DEAN SIEGLAFF NATHANIEL CUNNINGHAM of 14 13 3 of 3 A projectile is launched along the path shown. The velocity at time 2 is shown. Time 2 is at the apoapsis of the flight. The acceleration experienced by the projectile at time 2 is 1.upward. 2.rightward. 3.downward. 4.zero. x y 2 v2v2 path

14. PHYS-1600/2000PHYS-1600/2000 I7 Motion of a ProjectileNEBRASKA WESLEYAN UNIVERSITYFALL 2014-2015 DEAN SIEGLAFF NATHANIEL CUNNINGHAM of 14 14 14141414 25252525 3333 PROJECTION SCREEN I7: HAND IN TODAY’S ACTIVITIES SHEETS 6666