(17%) Problem 2: A child of mass m 22 kg slides down a slide of height...
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(17%) Problem 2: A child of mass m 22 kg slides down a slide of height h zero at ground level. ▷ A 33% Part (a) Write an expression for the child's total mechanical energy, E, at the top of the slide, in terms of the variables in the problem and the acceleration due to gravity g. E α a g j P Submit Hints: 4% deduction per hint. Hints remaining: 3 В b h k S Hint 0 d i m t 2.3 m without friction. Let gravitational potential energy be ( 7 8 9 ПОМЕ 4 5 6 1 2 3 + 0 END VO BACKSPACE DEL CLEAR Feedback I give up! Feedback: 5% deduction per feedback. Grade Summary Deductions Potential 0% 100% Submissions Attempts remaining: 3 (4% per attempt) detailed view = 33% Part (b) Calculate the change in the child's potential energy, AU in joules, from the top to the bottom of the slide at ground level (i.e. 4U = Uground - Utop). A33% Part (c) What is the child's final speed, vf in m/s? (17%) Problem 2: A child of mass m 22 kg slides down a slide of height h zero at ground level. ▷ A 33% Part (a) Write an expression for the child's total mechanical energy, E, at the top of the slide, in terms of the variables in the problem and the acceleration due to gravity g. E α a g j P Submit Hints: 4% deduction per hint. Hints remaining: 3 В b h k S Hint 0 d i m t 2.3 m without friction. Let gravitational potential energy be ( 7 8 9 ПОМЕ 4 5 6 1 2 3 + 0 END VO BACKSPACE DEL CLEAR Feedback I give up! Feedback: 5% deduction per feedback. Grade Summary Deductions Potential 0% 100% Submissions Attempts remaining: 3 (4% per attempt) detailed view = 33% Part (b) Calculate the change in the child's potential energy, AU in joules, from the top to the bottom of the slide at ground level (i.e. 4U = Uground - Utop). A33% Part (c) What is the child's final speed, vf in m/s?
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Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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