What is the thermal efficiency and quality of state
A Carnot heat engine operates between 40C and 320 C. What is the thermal efficiency? if the work output is 200 kJ/kg, what is the quality of state A (in 320C)?
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Calculate the percent of the total resistance for external diffusion, internal diffusion and surface reaction. Qualitatively how each of the resistances (e.g external, internal and reaction) change
Construct a 99% confidence interval estimate of the mean of the differences between volumes for the first born and the second born twins. What does the confidence interval suggest?
An injected slug of tracer material flows with its carrier fluid down a long, straight pipe in dispersed plug flow. At point A in the pipe the spread of tracer is 16 m. At point B, 1 kilometer downstream from A, its spread is 32 m.
If a +1 micro-coulomb charge is next to a +4 micro-coulomb charge, the magnitude of the repulsive force on the +1 micro-coulomb charge is the same for both particles right?
A double acting cylinder with a single rod must produce a thrust of 80KN and move out with a velocity of 3mm/s on the out stroke. The operating pressure is 100barg. Calculate the bore diameter and the flow rate of oil.
Show the Hypotheses, the Claim, the Test statistic, the df, the p-value, the decision, and the conclusion. What kind of Chi-Square test is this?
A 3000lb car is traveling at 60mi/h up an inclined surface of 5° when the brakes are applied, creating a constant breaking force that brings the car to a stop in 5s. What is the magnitude of the constant breaking force?
A 0.25kg block is held compressed 0.1m against a spring (k=1000N/m). What is the max height of the block after it is released?
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Approaching a new social situation is similar to solving a cognitive problem. Children approaching a group of peers need to understand the others' communication
Children's goals in social interactions Children's goals affect their strategies in social situations, and this, too, is related to their peer status
The step-by-step social information processing approach may be a better model for encounters in new situations than in familiar situations
As in other areas of development, temperament interacts with experience to pre dict peer status.
A small number of children and adolescents who are perceived to be popular, however, display a mix of positive and negative behaviors
Question: Identify and distinguish between positive and negative reinforcement contingencies.