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S2010_Hr_Ex_1_sol[1]

# S2010_Hr_Ex_1_sol[1] - PHYS180.002HourExam#1 Spring...

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PHYS 180.002 Hour Exam #1 Spring 2010 (name) For problems marked OSE, start with an Otficial Starting Equation. 1. (2 points) Howdo you feel about physics? (A) | dread it. (B) lt's OK. (C) | look forward to it. (D) I am enthusiastic about it. (E) I am fanatical to the point of human counted as correct). 2. Multiple choice and short answer time. (48 points) 2.1 (8 points) lf the net force on an object points in the -y direction, then (A) the position n'lust point in the -y direction (B)the velocity of the object must point in the -y direction, ( (C)the acceleration of the object must point in the -y direction, (D) the velocity must lilnO mostly towards the general areaof the -y axis, although not necessarily exactly along the -y axis, or (E) the acceleration must tend mostly towards the general area of the -y axis, although not not necessarily exactly along the -y axis. 2.2 (10 points) Velocity andacceleration: {A) The velocity of an object is the derivative of the acceleration with respect to time,(Elhe acceleration of an object is the derivative of the velocity with respect to time, (C) the acceleration of an object is the integral of the velocity with respect to time, (D) the velocity of an object is the derivative of the acceleration with respect to position, (E) the acceleration of an object is the derivative of the position with respect to time.

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S2010_Hr_Ex_1_sol[1] - PHYS180.002HourExam#1 Spring...

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