Wind direction - Study guides, Class notes & Summaries

PHY 250 General Physics: Exam Questions and Answers Latest Update 2023/2024 | Graded A+ | Straighterline. The normal force exerted on a book placed upright on a table is 47 N. If the book is then placed in its side on the table, what is the mass of the book? Select one: a. 7.4 kg b. 3.5 kg c. 9.8 kg d. 4.8 kg e. None of the above Feedback The correct answer is: 4.8 kg Question 3 Correct 6.00 points out of 6.00 Flag question Question text Which of the following is a correct stateme...

3 Sides of Fire Triangle -Heat - Oxygen - Fuel Without one!... Fire goes out! 3 Methods of heat transfer -Radiation - Conduction - Convection Head of Fire - The part of a fire's perimeter that is roughly parallel to the main direction of spread Fingers of a fire -Extension of main fire - the long narrow extensions of a fire projecting from the main body Spot Fire - Beyond the main fire - Fire ignited outside the perimeter of the main fire by a firebrand Smoldering - Fire burning withou...

What is the Gulf Stream? - Answer What is the thermocline? - Answer The area where there is a rapid temperature decrease with a depth of a few hundred meters below the surface How does oceanic temperature vary with depth? - Answer Warmest temperature found near surface (absorbs solar radiation) Then thermocline (temperature decreases rapidly) Deep ocean waters are only a few degrees above freezing What is upwelling? How does it affect oceanic temperature? - Answer Vertical transport ...

Frost will disrupt the smooth flow of air over the wing, adversely affecting its lifting capability. Correct Answer How will frost on the wings of an airplane affect takeoff performance? Heat exchange Correct Answer Every physical process of weather is accompanied by, or is the result of, a An increase in temperature as altitude is increased Correct Answer A temperature inversion would most likely result in which weather condition? Terrestrial radiation on a clear, relatively still nigh...

Wildland Firefighter Exam Prep (Latest 2024/ 2025 Update) 100% Correct Questions and Verified Answers| Grade A Q: what is the layer of atmosphere closest to the ground? Answer: Troposphere Q: What is the primary driving force behind the changes of fire behavior? Answer: Weather Q: The start and spread of wildland fires are_____ Answer: Wind Temperature RH Precipitation Q: All of the weather that will impact your fire is within _____ miles of the earth...

In general, what is the proper location for a Helmsman to sit on a small dinghy? - windward side What does Heaving-to require? - a backed jib What is the term for changing direction toward the wind? - heading up Which of the following is stated in the navigation rules regarding collisions? - all vessels must take measures to avoid collisions When do sails work at their maximum efficiency when sailing up wind? - on the verge of a luff In light air, which of the following is true regarding t...

US Sailing Basic Keelboat Latest Update Graded A+ What is the primary purpose of a keel on a sailboat? The keel provides stability and counteracts the lateral force of the wind on the sails, preventing the boat from capsizing. How should a sailor determine the wind direction before setting sail? A sailor can determine wind direction by observing the movement of water, trees, or flags, or by using a wind vane if available. What are the key components of a basic sailboat rigging?...

What is the main reason for assuming the HELP position when you are stranded in the water? - ANSWER-reduces heat loss What is the important safety information found on a boat's capacity plate? - ANSWER-maximum weight and/or number of people the boat can carry safely What is the best way to avoid overloading your boat? - ANSWER-Don't exceed the limits listed on the capacity plate. What should you leave with a friend or relative before a long outing on the water? - ANSWER-float plan ...

ASA 103 Questions and Answers Already Passed What is the primary purpose of the "rule of thirds" in sailing? The rule of thirds helps sailors estimate their fuel consumption and sailing distance, dividing the journey into thirds for navigation and planning. What is the function of a sail's draft? The draft of a sail affects its aerodynamic efficiency, helping to create lift and maximize the vessel's performance in varying wind conditions. How should a sailor respo...

ASA 103 Review Questions and Answers 100% Pass How does the center of effort differ from the center of lateral resistance in a sailing vessel? The center of effort refers to the point where the wind exerts its force on the sails, while the center of lateral resistance is the point where the hull resists sideways motion. What is the significance of understanding points of sail for a sailor? Knowing points of sail helps determine the most efficient way to sail with respect to the wind...