Is the state in which no thermal energy transfer occurs because both substances are at the same temperature? Temperature is a measure of the average kinetic energy of the atoms or molecules in the system. The zeroth law of thermodynamics says that no heat is transferred between two objects in thermal equilibrium; therefore, they are […]
Why do days get longer?
What would a perpetual motion machine be worth?
What would a perpetual motion machine be worth? Because it cannot be constructed, because of the physical law of conservation of energy. And physical laws are not about legality. You cannot violate them, because they are basic facts about the universe. The worth of a perpetual motion machine is zero. Is the drinking bird a […]
What happens to the water when it freezes?
What happens to the water when it freezes? During freezing, water molecules lose energy and do not vibrate or move around as vigorously. This allows more stable hydrogen-bonds to form between water molecules, as there is less energy to break the bonds. Thus water expands as it freezes, and ice floats atop water. What are […]
What are 2 factors that can contribute to heat-related illness?
What are 2 factors that can contribute to heat-related illness? HEAT STRESS. Risk Factors. Workers should be aware of the many factors that can impact the risk of heat illness. Environment. • High temperatures, especially. with high humidity, which. • High exertion. • Not enough rest breaks. Medications. Heat tolerance can. Health. Conditions. Other Factors. […]
How do you do an assignment in one day?
How do you do an assignment in one day? How to Write an Essay or Assignment in One Day Understand your task. Your assignment has specific goals and you should understand them to make sure you are on track. Select a topic. Don’t spend too much time on selecting a topic. Establish deadlines. Effective time […]
Why is centripetal acceleration not affected by mass?
Why is centripetal acceleration not affected by mass? Where is the centripetal acceleration on an object, is the velocity of an object, and is the radius in which the object moves in a circle. We can see that mass does not play a role in the centripetal acceleration of an object, so no matter what […]
What element has the highest effective nuclear charge?
What element has the highest effective nuclear charge? Fluorine What causes the effective nuclear charge to increase moving to the right across a period? Across a period, effective nuclear charge increases as electron shielding remains constant. A higher effective nuclear charge causes greater attractions to the electrons, pulling the electron cloud closer to the nucleus […]
Which is the limitation of flat plate collector from following?
Which is the limitation of flat plate collector from following? The principal disadvantage of a flat plate collector is that because of the absence of optical concentration, the area from which heat is lost is large. Also due to the same reason high temperatures cannot be attained and as a result the collection efficiency is […]