WebbSolution The correct option is A 30∘ west Given: Speed of swimmer w.r.t river, V SR= 20 m/s Speed of river flow, V RG =10 m/s From above diagram, → V SG = → V SR+→ V RG So, sinθ= → V RG → V SR sinθ= 10 20= 1 2 ∴ θ=30∘ Hence, option (A) is the right choice. Suggest Corrections 35 Similar questions Q. WebbEasy Solution Verified by Toppr Correct option is A) According to the question, The mass to be lifted is 80kg Since, the force needed to lift iit up is =80×9.8 =784N Let the radius of the larger position is =R 1 the radius of the smaller piston is =R 2 We given that, R 1=5R 2 The area of the larger piston is =A 1=πR 12
What is the pressure at 10m depth? – Wise-Answer
WebbWhat is the pressure on a swimmer 20m below the surface of water? Hence pressure = 3.0 atmosphere = 3 atm. What is the pressure on a swimmer 20 m below the surface of a lake take G 10 m S²? Hence the pressure on the swimmer is 2 atm. $therefore $ The pressure on a swimmer 10 m below the surface lake is 2 atm, thus, option (D) is correct. Webb15 juli 2024 · 19 What is the pressure on a swimmer 20m below the surface of a lake? 20 When pressure increases does area decrease? 21 What is the meaning of 1 bar pressure? 22 How is low pressure created in the sea? 23 How does pressure work in the ocean? grasonville md is in what county
Swimming: A Dragging Battle Against the Forces of Physics
WebbAnswer (1 of 4): We can use the following formula: \Delta P = \gamma * \Delta h Where P = pressure, \gamma = specific\ weight, and h = height We also know that \Delta P = P_2 - P_1 and \gamma = \rho *g Where \rho = water density and g = acceleration due to gravity. All together, P_2 - P_... Webb11 maj 2024 · For every additional 10 meters deeper you dive, the pressure on your body increases by 1 bar. As you can see from the table below, our bodies are subject to 3 bars or atmospheres of pressure at a depth of 20 meters and 4 bar/atm at 30m. So Why Do We Need To Know This? Boyle’s Law and Freediving Webb7 jan. 2024 · The air spaces in their ears, mask, and lungs become like vacuums as the compressing air creates a negative pressure. Delicate membranes, like the ear drum, can get sucked into theses air spaces, causing pain and injury. This is one of the reasons that a diver must equalize their ears for scuba diving. On ascent, the reverse happens. grasonville md quality inn