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**Unformatted text preview: **NAME: Exam 1: PHYS141 S09 Exam 1, Physics 141 S09 You may bring 1 4x6 index card with whatever you want written on it. I need your name on each page of the exam SHOW YOUR WORK!!! Useful Constants: Acceleration due to gravity (g) = 9.8 m/s 2 cos(45)=sin(45)=0.7, cos(30)=sin(60)=0.866, cos(60)=sin(30)=0.5, cos(53)=sin(37)=0.6, cos(37)=sin(53)=0.8 1 mile = 1600 m Write and sign the honor pledge here: I pledge on my honor that I have not given or received any unauthorized assistance on this assignment/examination. NAME: Exam 1: PHYS141 S09 Question 1 A person from Europe brings their car to the States. Its speedometer is only ruled in m/s. They do not want to break the speed limit of 65 miles per hour. What should their maximum speed in m/s be? NAME: Exam 1: PHYS141 S09 Question 2 Two people are 50 m apart. They walk straight towards each other at constant speed, one at 2 m/s, the other at 3 m/s. How far are they from the starting position of the person that was walking at 2 m/s when they meet? was walking at 2 m/s when they meet?...

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