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Get Full Access to Engineering Mechanics: Statics & Dynamics - 14 Edition - Chapter 14 - Problem 14-80
Get Full Access to Engineering Mechanics: Statics & Dynamics - 14 Edition - Chapter 14 - Problem 14-80

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When s = 0, the spring on the firing mechanism is

ISBN: 9780133951929 123

Solution for problem 14-80 Chapter 14

Engineering Mechanics: Statics & Dynamics | 14th Edition

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Engineering Mechanics: Statics & Dynamics | 14th Edition

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Problem 14-80

When s = 0, the spring on the firing mechanism is unstretched. If the arm is pulled back such that s = 100 mm and released, determine the speed of the 0.3-kg ball and the normal reaction of the circular track on the ball when u = 60. Assume all surfaces of contact to be smooth. Neglect the mass of the spring and the size of the ball.

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4.3.2 WILCOXON SIGNED-RANK TEST 1) Used for the differences between two samples. In this case we take the differences (D’s) and test the null hypothesis a. H :0Distribution of D’s is symmetric about the nullval∆e against the alternatives of D ▯ values tending to be smaller than▯ or D values tending to be larger th∆n▯ b. Rank the absolute values of the differences c. Calculate the test statistis+, by adding all off differences 2) Note: 3) The test statistic, denoted by W: 4) The null is rejected if 4.3.3 LEVENES TEST FOR VARIANCES 1) Used for comparing more than 2 population variations a. Deals with variances

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When s = 0, the spring on the firing mechanism is