06 Practice Exam

# 06 Practice Exam - Name_Student ID Section_TA Name ID CODE...

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Name: ________________________________________Student ID#________________ ID CODE: A Section #___________________TA Name______________________________________ Fill in your name, student ID # (not your social security #), and section # (under ABC of special codes) on the Scantron sheet. Be sure to fill in the letter for the ID code on the upper right of this page for the first question. This determines which version of the test you took, and it is very important to get this correct. Make sure your exam has questions 2–21 and 7 total pages. 1 Physics 103 Exam 1 October 5, 2006 Multiple Choice Circle the letter of the choice that best completes the statement or answers the question and also mark this answer on your Scantron sheet. You must do both. Please be very careful with the first question: 1. ENTER THE ID CODE ABOVE IN THE UPPER RIGHT CORNER A. ID Code A B. ID Code B C. ID Code C D. ID Code D E. ID Code E

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Name: ________________________________________________ Physics 103 Exam 1: October 5, 2006 2 2. If a vector B ä has a magnitude of 25 m and makes an angle of 30º with the +x axis, the vector B ä A. has a magnitude of 25 m. B. has the same direction as B ä but a magnitude of - 25 m. C. makes an angle of -30º with the +x axis. D. has the opposite direction of B ä and a magnitude of - 25 m. E. makes an angle of 30º with the +y axis. 3. If the distance d (in meters) traveled by an object in time t (in seconds) is given by the formula d = A + Bt 2 , the SI units of A and B must be A. meters for both A and B. B. m/s for A and m/s 2 for B. C. meters for A and m/s 2 for B. D. m/s 2 for both A and B. E. meters for A and m/s for B. 4. If a vector A ä has unity magnitude and makes an angle of 45º with the +x axis, then the x and y components of A ä are A. A x = A y = 1 B. A x = A y = 1 2 C. A x = A y = 1 2 D. A x = A y = 2 E. A x = 1 2 , A y = -1 2 5. A ball is thrown directly upwards with a velocity of + 12.0 m/s. At the end of 2.40 s, its velocity will be closest to: A. -30.0 m/s B. -18.0 m/s C. -12.0 m/s D. - 6.00 m/s E. + 6.00 m/s
Name: ________________________________________________ Physics 103 Exam 1: October 5, 2006 3 6. If a car moving at 82.0 mph takes 500.0 ft to stop with uniform acceleration after its brakes are applied,

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06 Practice Exam - Name_Student ID Section_TA Name ID CODE...

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