According to Han et al. (2024), what effect did high ceilings in virtual environments have on participants’ social behavior?
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According to the lecture, why are transfer effects from cogn…
According to the lecture, why are transfer effects from cognitive training often difficult to achieve?
How much mass should be attached to a vertical ideal spring…
How much mass should be attached to a vertical ideal spring having a spring constant (force constant) of 39.5 N/m so that it will oscillate at 1.00 Hz?
A solid concrete wall has dimensions [L] m x[b] m and is [d]…
A solid concrete wall has dimensions [L] m x[b] m and is [d] cm thick. The thermal conductivity of the concrete is 1.3 W/m ∙ K, and it separates a basement from the ground outside. The inner surface of the wall is at [p]°C, and the outside surface is at [q]°C. How much heat flows through the wall every [t] minutes?
When the first law of thermodynamics, delta Q = delta U + de…
When the first law of thermodynamics, delta Q = delta U + delta W , is taken through an adiabatic process( delta = change)
A [m] kg copper bar is put into a smelter for melting. The i…
A [m] kg copper bar is put into a smelter for melting. The initial temperature of the copper is [a] K. How much heat must the smelter produce to completely melt the copper bar? The specific heat for copper is 386 J/kg∙K, the heat of fusion for copper is 205,000 J/kg, and its melting point is 1357 K.
What is the Coefficient of Performance of a refrigerator tha…
What is the Coefficient of Performance of a refrigerator that works between [x]0 Cand [y]0 C ?
What is the entropy change of [m] g of water when it changes…
What is the entropy change of [m] g of water when it changes from liquid to steam at its usual boiling point ?LV = 2.26 MJ/kg.
If a string fixed at both ends resonates in its fundamental…
If a string fixed at both ends resonates in its fundamental mode with a frequency of 150 Hz, at which of the following frequencies will it not resonate?
Calculate the net change in entropy when 3 kg of hot water a…
Calculate the net change in entropy when 3 kg of hot water at 900C is mixed with 1 kg of cold water at 100C. The specific heat of water is 4186 J/kg/K. ( Show your work in the space provided here)