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Get Full Access to University Physics - 13 Edition - Chapter 5 - Problem 89p
Get Full Access to University Physics - 13 Edition - Chapter 5 - Problem 89p

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# Block A in Fig. P5.87 weighs 1.90 N, and block B weighs ISBN: 9780321675460 31

## Solution for problem 89P Chapter 5

University Physics | 13th Edition

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Problem 89P

Block A in ?Fig. P5.87? weighs 1.90 N, and block B weighs 4.20 N. The coefficient of kinetic friction between all surfaces is 0.30. Find the magnitude of the horizontal force necessary to drag block B to the left at constant speed if A and B are connected by a light, flexible cord passing around a fixed, frictionless pulley.

Step-by-Step Solution:
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Organic Chemistry Equilibrium constant eA + fB  sC + tD ­ K eq[C] [D] / [A] [B] f Thermodynamics Y Z Thermodynamics: how much of ‘Z’ is formed Kinetics: How fast ‘Z’ is formed ∆G⁰ =­RTln K eq logK eq pka (conjugate acid)­ pka (acid) ∆G⁰ = ∆H⁰ – T ∆S⁰ Bond dissociation Energy (BDE) = BDE (bonds broken) – BDE (bonds formed) H­H + CH – C3 CH  CH 2 CH – C3 2 H H Rate = frequency of collision X fraction of proper orientation X fraction with sufficient (How fast) (location) (energy)

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##### ISBN: 9780321675460

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