Category: Physics

How can you make a DC motor more efficient? Induction motors can be made more energy efficient by: using copper windings in the stator coils. using copper bars in the rotor. machining all moving parts to a high precision. using a special, high quality steel for the rotor and stator. Which motor is most efficient? […]

What are the best thriller books? We’re presenting our take on the best thrillers of all time, spanning the best psychological thrillers, crime novels, and mysteries. The Talented Mr. Ripley, Ripley Under Ground, Ripley’s Game. Gone Girl. Those Bones Are Not My Child. Enduring Love. The Shining. The Widow. One Flew Over the Cuckoo’s Nest. […]

What is an example of a balanced sentence? “Every man has a right to utter what he thinks truth, and every other man has a right to knock him down for it.” This is another very simple and clear example of a balanced sentence. Both clauses have the same length and word order, emphasizing the […]

What is a frontal bone? : a bone that forms the forehead and roofs over most of the orbits and nasal cavity and that at birth consists of two halves separated by a suture. What are characteristics of the frontal bone? The frontal bone is a bone in the human skull. The bone consists of […]

What is the most common level of education required for accountants? Although not required, most accountants attend college and earn a bachelor’s degree. However, a bachelor’s degree in accounting or a related field is considered the minimum education requirement for those who plan to become a CPA. Which qualifications are especially useful for entry level? […]

How far did Naledi and Tiro have to walk to get to Johannesburg? 300 kilometre How did Tiro and Naledi get separated from grace? Their mother is able to get time off, beginning the next day, to take her children home and help Dineo. That night, Naledi and Tiro travel toward Grace’s home by train. […]

Can personality traits change? Two seminal meta-analyses have shown that personality traits are relatively stable, but they also change, and they do so actually across the lifespan, meaning that there is no upper boundary. In fact, people aged 70 and older can still undergo pretty remarkable changes in their personality traits. How do personality traits […]

Are herbivores or carnivores more efficient? Carnivores cannot digest plant-based materials whereas herbivores can. In this respect, herbivores are indeed more efficient than their carnivorous counterparts. Why is it more efficient for humans to be herbivores? Animals store only a small fraction of the energy they extract from the food they eat, and the rest […]

Does 7 Minute Frosting have to be refrigerated? Seven-minute frosting gets its name from the lengthy beating period required to make it light and fluffy. Once you prepare it, this cooked frosting does not require refrigeration and holds up well even in heat, but it does have a relatively short shelf life. How do you […]

Are US embassies open? Embassies and consulates may now enter a phased resumption of visa services. As resources allow, embassies and consulates will continue to provide emergency and mission critical visa services and will resume routine visa services as local conditions and resources allow. Is US issuing tourist visa now? Visas are currently only issued […]