PHYS 111 Intro To Physics Iowa State

PHYSICS 111 SPRING 2007 EXAM # 1 ANSWER KEY Tuesday, February 6, 2007 VERSION A VERSION B Problem 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Answer A C. D D C. E B B D. E. E. A. C C A E D A Answer E D C C E A D A B B C E D B D A A D 10 4,600 31,800

D. MOTION @ CONSTANT ACCELERATION First look cases a = const. and then special case of falling objects. Generally discuss physical laws but not derive mathematically. When a = constant (1) v = v0 + a t ( no x ) (2) x = v0 t + a t2 (3) v2 = v02 + 2

Homework 12 Chapter 5 Questions 8, 14 & Problems 7, 16, 19, 22 Q8) What is the chance of a light car safely rounding an un-banked curve on an icy road as compared to that of a heavy car: worse, the same, or better? Assume that both cars have the same

PHYSICS 111 SPRING 2008 HOMEWORK #11 SOLUTION Chap 7, Question 18 Where would you expect the center of mass of a doughnut to located? Why? Answer: It is at the center of the circle. Since we can assume the doughnut\'s mass is distributed symmetrically

PHYSICS 111 SPRING 2008 HOMEWORK #13 SOLUTION Chapter 8, Question 12 A bicycle is turned upside down, the front wheel is spinning (see the drawing), and there is an angular acceleration. At the instant shown, there are six points on the wheel that ha

PHYSICS 111 SPRING 2008 HOMEWORK #14 SOLUTION Chap 9: Q10,18; P6,30,40,58 Chapter 9, Question 10. The drawing shows a wine rack for a single bottle of wine that seems to defy common sense as it balances on a table top. Treat the rack and wine bottle

D. MOTION @ CONSTANT ACCELERATION First look cases a = const. and then special case of falling objects. Generally discuss physical laws but not derive mathematically. When a = constant (1) v = v0 + a t ( no x ) (2) x = v0 t + a t2 (3) v2 = v02 + 2