This physics problem tests your understanding of fundamental physical laws and their applications. The step-by-step solution below breaks down the problem using relevant equations and physical reasoning.
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Here are the solutions for questions 14 and 15. 14. The figure below shows a manometer connected to a gas supply. Determine the pressure of the gas. Take atmospheric pressure as 75cmHg, density of mercury 13600kg/m^3. Assumption: The pressure of the trapped air in the right arm is equal to the atmospheric pressure. Step 1: Convert atmospheric pressure to Pascals. Given atmospheric pressure P_atm = 75 cmHg = 0.75 mHg. Given density of mercury _Hg = 13600 kg/m^3. Assume acceleration due to gravity $g =