problem05_80

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

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5.80: If the block were to remain at rest relative to the truck, the friction force would need to cause an acceleration of ; s m 20 . 2 2 however, the maximum acceleration possible due to static friction is , s m 86 . 1 ) s m 80 . 9 )( 19 . 0 ( 2 2 = and so the block will move relative to the truck; the acceleration of the box would be . s m 47 . 1 ) s m 80 . 9 )( 15 . 0 ( 2 2 k = = g μ The difference between the distance the truck moves and the distance the box moves (
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Unformatted text preview: i.e. , the distance the box moves relative to the truck) will be 1.80 m after a time s. 22 . 2 ) s m 47 . 1 s m (2.20 m) 80 . 1 ( 2 2 2 2 box truck =-=-∆ = a a x t In this time, the truck moves m. 43 . 5 s) 221 . 2 ( ) s m 20 . 2 ( 2 2 2 1 2 truck 2 1 = = t a Note that an extra figure was kept in the intermediate calculation to avoid roundoff error....
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  • Friction, Friction Force, Truck, maximum acceleration

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