MT%20exam%201 - Student name_ Student NID_ PHY 2053C_0001...

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Student name________________________________________ Student NID__________________________________________ PHY 2053C_0001 Midterm exam 1, Feb. 11, 2011, Chapters 1-3 1) ( 2 points ) An object is moving along the x axis. The graph shows its position from the starting point as a function of time. Various segments of the graph are identified by the letters A, B, C, and D. During which interval(s) is(are) the object moving in the negative x direction? A) during interval B only B) during intervals B and C C) during intervals C and D D) during intervals B and D E) during intervals B, C, and D 2) ( 2 points ) A highway is to be built between two towns, one of which lies 25.0 km south and 60.0 km west of the other. a) What is the shortest possible length of the highway? b) At what angle would this highway be directed with respect to due east? 1 ( 29 ( 29 2 2 1 o r 25km 60km 65km 25km tan 22.6 60km θ - = + = = =
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Student name________________________________________ Student NID__________________________________________ 3) ( 3 points ) You are driving your car, and the traffic light ahead turns red. You apply the brakes for 2.50 s, and the velocity of the car decreases to 4.00 m/s. The car’s deceleration has a
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This note was uploaded on 09/21/2011 for the course PHY 1500 taught by Professor Staff during the Spring '09 term at University of Central Florida.

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MT%20exam%201 - Student name_ Student NID_ PHY 2053C_0001...

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