Question

blem A, circle the correct multiple choice and place the answer on the left hand side.(Three points each, tial credit). In Problems B and C place your answer(s) in the space(s) provided. Show all work. No work, it. Partial credit may be given for clearly legible and correct steps. 50 points total. 1. A race car moving with a constant speed of 60 m's completes one lap around a circular track in 50s What is the magnitude of the acceleration of the race car? A. 94 m/s B. 5.3 m/s? C. 88 m/s? D. 6.3 m/s E. 75 m/s2 a. «Anis 2. A rifle is aimed horizontally at the center of a large target 60 m away. The initial speed of the bullet is 240 m/s. What is the distance from the center of the target to the point where the bullet strikes the target? A、 48 cm B. 31 em C. 52 cm D. 69 cm E. 17 cm 1.8 3. If vector B is added to vector A the result is 6i+j If B is subtracted from A, the result is -4i +7j What is

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Answer 1

1) Circular motion - Calculation of centripetal acceleration on a horizontal curved road

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Time peio d T-SOS So cen tripetal accele shon as Vcs 6o 2n