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HW1-Solution

# HW1-Solution - g 10 5.892 1 594 14 1 1 2 32 10 30 1 24 2 2...

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Name: Solution Section: ME211 Homework 1 – Handout (Be careful of significant figures) 1. What is the mass in slugs of a 10.0lbf sphere? slug m lbf s ft slug s ft lbf g w m 3106 . 0 1 1 2 . 32 0 . 10 2 2 = = = 2. What is the weight in Newtons of a 10kg sphere? N m s m kg N s m kg g m w 10 . 98 1 1 81 . 9 10 2 2 = = = 3. What is the mass in slugs of a 100.00N sphere? slug m kg slug N s m kg s m N g w m 6985 . 0 594 . 14 1 1 1 81 . 9 00 . 100 2 2 = = = 4. What is the attraction force in Newtons between the earth (approximately 1.30x10 25 lbf) and a 1000lbf satellite in low earth orbit (approximately 2000km)?
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Unformatted text preview: g 10 5.892 1 594 . 14 1 1 2 . 32 10 30 . 1 24 2 2 25 k m slug kg lbf s ft slug s ft lbf g w m earth earth × = × = = g 2 . 453 1 594 . 14 1 1 2 . 32 1000 2 2 k m slug kg lbf s ft slug s ft lbf g w m satalite satalite = = = ( )( ) N F m kg k s kg m r m M G F 4 2 3 24 2 3 11 2 10 455 . 4 ) 10 2000 ( 2 . 453 g 10 5.892 10 674 . 6 × = × × ⋅ × = ⋅ =-...
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