How do you explain pressure altitude? Pressure altitude is the attitude displayed on the altimeter when the Kollsman window is set to 29.92 inches of mercury, or 1013.4 millibars. Pilots cannot use pressure altitude below 18,000 feet, because then the aircraft’s true altitude would change depending on temperature. Why do we calculate pressure altitude? Pressure […]
What temperature does it need to be to sunbathe?
What temperature does it need to be to sunbathe? 88° F: Perfect beach temperature. Hot enough that you have motivation to get in the water, not so hot that you bake too quickly. 90° F: Excellent sunbathing temperature. Is 25 degrees warm enough for the beach? Refreshing, but after a while it still feels too […]
Does a force meter measure weight?
Does a force meter measure weight? The weight of something (or someone) is the force caused by the pull of gravity on the mass of something (or someone). Weight is measured in Newtons (N) and is named after Sir Isaac Newton, who discovered gravity. A force meter (or Newton meter) is used to measure weight. […]
What is SI unit of merit?
What is SI unit of merit? Figure of merit is the amount of current been passed in the unit of deflection in a galvanometer. Its SI unit is Ampere per division. What’s the difference between a galvanometer and a multimeter? The galvanometer is converted into the ammeter by connecting the resistance in parallel with the […]
Why does massless light bend near a large mass?
Why does massless light bend near a large mass? Light can form a curve if it travels near a big mass. You are right, photons don’t have mass. You are also right, photons doesn’t follow Newton’s gravitation law. Photons can be pulled by gravity not because of their mass (they have none) but because gravity […]
What is the relationship between temperature and height in the mesosphere?
What is the relationship between temperature and height in the mesosphere? The mesosphere is directly above the stratosphere and below the thermosphere. It extends from about 50 to 85 km (31 to 53 miles) above our planet. Temperature decreases with height throughout the mesosphere. The coldest temperatures in Earth’s atmosphere, about -90° C (-130° F), […]
What is the value of the spring constant k?
Why is it called a diverging lens?
How can I impress my teacher in one day?
How can I impress my teacher in one day? 10 ways to impress your professor (without being the teacher’s… Be early. Make eye contact during class. Ask follow-up questions. Take advantage of office hours. When you must miss a class, e-mail the professor. Proofread your work. Thank the professor for a particularly interesting class. Take […]