Do airplanes have constant velocity? Since there is no net external force on the aircraft, the aircraft will maintain a constant airspeed as described by Newton’s First Law of Motion. However, if the forces become unbalanced, the aircraft will move in the direction of the greater force. How is an aircraft held into a turn? […]
What is a bias?
What is a bias? Bias is a disproportionate weight in favor of or against an idea or thing, usually in a way that is closed-minded, prejudicial, or unfair. Biases can be innate or learned. People may develop biases for or against an individual, a group, or a belief. In science and engineering, a bias is […]
How much does a hovercraft cost?
How much does a hovercraft cost? Rescue hovercraft range from $28,000 to $79,000 and commercial hovercraft from $36,000 to $90,000. Trailers range from $3,000 to $12,600. (Prices in US Dollars.) HOW IS A HOVERCRAFT DIFFERENT FROM AN AIRBOAT? Why did they stop using hovercrafts? The Channel’s hovercraft service had its peak year in 198 when […]
How can standing waves be prevented?
How can standing waves be prevented? The solution to stopping a standing wave is cutting the offending frequency of the related instrument….Standing waves can be caused when waves bounce between; Opposite walls. Four sides of the room. All six sides of the room (given most rooms have four walls, a floor, and a ceiling!) Why […]
What is the partial pressure of oxygen at sea level?
What is the partial pressure of oxygen at sea level? 160 mm Hg How do you find the partial pressure of CO2? Calculate the partial pressures for each gas. For the partial pressure of carbon dioxide, we multiply 0.2 mol by our constant of 0.0821 and our temperature of 310 degrees K, then divide by […]
Why are telescopes limited?
Why are telescopes limited? The resolution of an optical imaging system – a microscope, telescope, or camera – can be limited by factors such as imperfections in the lenses or misalignment. Is the human eye diffraction limited? The human eye is close to being fully diffraction-limited, at least for photopic (cone-based) vision at the center […]
How can detergents cause pollution?
How can detergents cause pollution? Phosphates in detergents can lead to freshwater algal blooms that releases toxins and deplete oxygen in waterways. When the algae decompose, they use up the oxygen available for aquatic life. Does Soap pollute rivers? All soaps, unfortunately even biodegradable ones, can contaminate fresh water sources. Materials are usually deemed biodegradable […]
What three things can change velocity?
How do you write a perfect answer?
How do you write a perfect answer? Set the priority. List out the questions which you are more confident about. Write a brief, to the point answers. 10 most effective preparation tips to score more than 90% marks in board exams. Choose questions wisely. Attempt all the questions. Don’t decorate the answer sheet. Space out […]
How many natural realms are there what are they?
How many natural realms are there what are they? The Four Great Realms: The natural systems encountered in physical geography operate within the four great realms, or spheres, of the Earth. These are the atmosphere; the lithosphere, the hydrosphere, and the biosphere. What are the 3 realms of earth? 3 — EARTH SURFACE REALMS. We […]