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Practice_test_1_1

# Practice_test_1_1 - Practice for Midterm 1 Name_Student No...

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Practice for Midterm 1 Name____________________Student No.______________________ Honor Plede: I have neither given nor received aid on this examination. DATE__________SIGNATURE_______________ The midterm will consists of about ten (I put 13 here for practice) problems. The number of points awarded for the right answer is indicated in parenthesis next to the problem. Partial credit will be given for partially correct answers. Show all work. Good luck!! You may find the following data useful: Acceleration due to gravity: g = 9.80m/s 2 Volume of a cylinder: V = π⋅ r 2 h 1. The standard kilogram is a platinum-iridium cylinder 3.9 cm in height and 3.9 cm in diameter (a) What is the density of the material? (b) How much would a steel cylinder with the same dimensions weigh? (density of steel: ρ = 7.56 g/cm 3 ) (6 points)

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2. A bullet is fired through a board, 0.14 m thick. If it enters with a speed of 450 m/s and emerges with a speed of 220 m/s. What is the bullet's (constant) acceleration as it passes through the board?
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Practice_test_1_1 - Practice for Midterm 1 Name_Student No...

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