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The concept that 'organizations on the other hand depend on people' means:
This emphasizes the fundamental dependence: without people, organizations would disappear. Despite technology and automation, people remain essential - they create, operate, innovate, and sustain organizations. The relationship is one of mutual dependence.
The textbook makes a philosophically profound point about the temporal dimensions of communication effects: “Effects of communication are not limited to present day activities but as a matter of fact they go beyond the limits of time and space.” The primary example given is scientific discovery: many scientists who theorised about electromagnetic waves in the 19th century could not prove their theories in their lifetimes, yet they communicated their ideas through publications. Other scientists built on this accumulated communication, eventually enabling inventions like radio. This illustrates how a single communicative act (a scientist's paper, an artist's manuscript, a philosopher's treatise) can have effects across centuries. The textbook gives another example: a medical researcher sharing a small discovery that, through the global communication network, reaches scientists thousands of miles away and contributes to a cure for a disease. Communication, therefore, is cumulative across time and space.
The Schramm-Osgood Interactive Model (1954) was a major improvement over Shannon-Weaver: it added the field of experience, made encoding/decoding simultaneous and reciprocal, incorporated feedback, and acknowledged that meaning is interpreted, not merely decoded. However, the textbook explicitly identifies its key limitation: “Schramm's model, though less linear, still accounts for only bilateral communication between two parties. The complex, multiple levels of communication between several sources is beyond this model.” In mass communication, one source (a broadcaster) communicates simultaneously with millions of receivers with varying fields of experience, and feedback is delayed and indirect (ratings, letters, viewer surveys). The dyadic (two-party) assumption of the Schramm-Osgood model does not capture this complexity adequately, which is why later mass communication models were needed.
Given \(E_2 = -328\) kJ/mol, so \(E_1 = -328 imes 4 = -1312\) kJ/mol.
\(E_4 = \dfrac{-1312}{16} = -82\) kJ/mol
Key point: as \(n\) increases, energy becomes less negative โ outer orbits are less tightly bound.
\(3\% \times x = 30 \Rightarrow x = \dfrac{30 \times 100}{3} = 1000\)
A product sells for $384 with a 50% mark-up. Unit costs are:
- Direct materials: 4kg at $8/kg
- Direct labour: 8 hours at $12/hour
- Selling and distribution: $40
What is the factory overhead absorption rate per labour hour?
1. Total Cost = Selling Price / 1.5 = $384 / 1.5 = $256.
2. Direct Materials = $32. Direct Labour = $96. Selling/Dist = $40.
3. Total cost accounted for = $32 + $96 + $40 = $168.
4. Factory Overhead = $256 - $168 = $88.
5. Rate per hour = $88 / 8 hours = $11.
New radius \(= 1.1r\), so new surface area \(= 4\pi(1.1r)^2 = 4\pi \times 1.21r^2\).
Increase \(= 21\%\).
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