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- 3. How long must a 400 W electrical engine work in order to produce 300 kJ of work?1 pts] 4) The kinetic theory describes the relationship between a distribution of molecular speeds (kinetic energy) and temperature. Consider two samples of gas with the same temperature but one with a higher molecular mass than the other. Sketch and label the distributions of molecular speeds for the two samples.A helium gas tank is placed outside for 24 hours during the hot summer season. This process is A. isothermal. B. isobaric. C. adiabatic. D. none of them above. adiabatic.isobaric. none of them.isothermal.
- 1) Listen How much energy would have to be added to 519grams of water to heat it from 17.0°C to 84.0°C? O 3.53x105 J O 1.46x108 J O 6.95x104 J O7.39x105 J O7.39x108 J O 1.46x105 J0.555A 1.666 A 1.333A None of other (2) ¿lubäi The effective water head for a 100MW station is 200 meters. The station supplies full load for 10 hours a day. If the overall efficiency of station is 86%, the mass of water used * is 23.17*10^6 m2 2.1335*10^9 m2 2.1335*10^3 m2 0.592 m2 4 من صفحة 4 إضافة وصف. >Learning Goal: To learn and practice the geometry skills necessary for complex reflection setups. The law of reflection has the very simple form Oreflected, Vincident = where incident is the angle between the normal and the incident ray and reflected is the angle between the normal and the reflected ray. Although the law itself is easy to use, many realistic situations involve successive reflections from multiple surfaces. The law of reflection does not become any more complicated in such cases, but the geometry of the rays does become complicated. Consider the case of light shining onto a mirror, which is attached to another mirror at some angle a, as shown in the figure (Figure 1). In this problem, we will find the angle at which light leaves the arrangement of two mirrors. Figure 1 of 2 > Part A If the light strikes the first mirror at an angle 0₁, what is the reflected angle 02? Express your answer in terms of 0₁. 0₂ = 0₁ Submit Part B Correct Previous Answers Now, find the angle…