problem05_66

University Physics with Modern Physics with Mastering Physics (11th Edition)

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5.66: The elevator’s acceleration is: t t dt t dv a ) s m 40 . 0 ( s m 0 . 3 ) s m 20 . 0 ( 2 s m 0 . 3 ) ( 3 2 3 2 + = + = = At 2 3 2 s m 4.6 s) 0 . 4 )( s m 40 . 0 ( s m 3.0 s, 0 . 4 = + = = a t . From Newton’s Second Law, the net force on you is N 1040 or N 8 . 1036 ) s m kg)(4.6
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Unformatted text preview: 72 ( ) s m 8 . 9 )( kg 72 ( weight apparent 2 2 scale scale net = + = + = = =-= ma w F ma w F F...
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