Is sound a standing wave? Standing sound waves open and closed tubes. Sound waves are longitudinal waves in a medium such as air. The loudness or volume of the sound also increases with wave amplitude. In open and closed tubes, sounds waves can exist as standing waves as long as there is at least one […]
What will the era be called when William is King?
What will the era be called when William is King? William certainly has the option of choosing a new regnal name when he becomes King (perhaps one of his middle names: Arthur, Philip, or Louis, or George, like his great-grandfather), but if he keeps William, he would be known as King William V. What will […]
Why does sugar melt and not burn?
Why does sugar melt and not burn? Hypothetically, if wood and sugar were assumed to have an identical chemical composition and supplied the exact same amount of heat energy, then any difference in the reaction would need to be derived from the amount of oxygen. A lack of oxygen is why sugar does not readily […]
How far should the driver sit from the airbag?
How far should the driver sit from the airbag? roughly 10 inches Is it dangerous to not have a steering wheel airbag? A vehicle is only as safe as the driver behind the wheel. Vehicles came without airbags for decades before they became standard equipment. A safe, defensive driver can drive millions of miles and […]
What are the four basic principles of the 1628 Petition of Right?
What are the four basic principles of the 1628 Petition of Right? The petition sought recognition of four principles: no taxation without the consent of Parliament, no imprisonment without cause, no quartering of soldiers on subjects, and no martial law in peacetime. What statement best describes the significance of the Magna Carta? The statement which […]
What are the qualities of project manager?
What are the qualities of project manager? Effective project management entails having the following attributes that are essential in becoming an effective project manager: Effective communication skills. Strong leadership skills. Good decision maker. Technical expertise. Inspires a shared vision. Team-building skills. Cool under pressure. What is a project lifecycle? What is a Project Life Cycle? […]
How does air resistance affect cars?
How does air resistance affect cars? Air friction does not significantly affect a car’s gas mileage. Cars are slowed down when they stir up the air too much. Stirring up the air creates vortices and billows that take energy away from the car. This effect is known as “wake drag”, “pressure drag”, or “form drag”. […]
How can we reduce harmonics in power system?
How can we reduce harmonics in power system? To attentuate harmonics, users can use passive filters, inductive reactors, phase-shifting transformers, active filters, or multi-pulse converter sections. Passive filters apply tuned series L-C circuits (circuits with inductance and capacitance) that attentuate specific harmonic frequencies. How much current total harmonic distortion is acceptable? increased temperatures and interference […]
Why the Colour of shadow is always black?
Can two waves with different frequencies interfere?
Can two waves with different frequencies interfere? 2 Answers. No; wave interference takes place whenever two waves of any frequency, same, nearly the same or widely different interact. An air molecule next to your ear, for example, can only respond to the sum of all the different sound waves reaching it at any moment. What […]