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Model Answers. 1a 2 marks. A student is studying elephants. Fig. 2.1 shows an elephant. The student measures the elephant and records the values, as shown in the table. Complete the table by adding a suitable unit for each measurement. Choose the units from those shown in the box. m 2.
27 de dez. de 2022 · Explanation. Dalton's law of partial pressures states that the total pressure exerted by a mixture of gases is equal to the sum of the partial pressures of the individual gases. This means that each gas in a mixture exerts its own pressure independently of the other gases present. The total pressure is simply the sum of these individual pressures.
Through a series of single choice, multiple choice, and open-ended questions, participants shared valuable insights into their experiences with peer pressure. One of the key findings from the survey was the significant role that friends play in exerting peer pressure, especially in areas such as clothing choices, social media presence, and alcohol or drug usage.
16 de jul. de 2023 · The cardiac cycle can be divided into four stages: Filling phase – the ventricles fill during diastole and atrial systole. Isovolumetric contraction – the ventricles contract, but as the heart valves are shut, the volume remains constant. This causes a build-up of pressure, ready to propel blood into the aorta/pulmonary trunk.
10 de dez. de 2023 · Asking effective behavioral questions requires having a clear idea of what skill or competency you want to assess, and what criteria you will use to evaluate the candidate's answer. The STAR ...
Model Answers. 1a 2 marks. A student is studying elephants. Fig. 2.1 shows an elephant. The student measures the elephant and records the values, as shown in the table. Complete the table by adding a suitable unit for each measurement. Choose the units from those shown in the box. m 2.
Pressure is defined as force applied uniformly over a surface, measured as force per unit of area. It is usually more convenient to use pressure rather than force to describe the influences upon fluid behavior. Pressure is measured in any unit of force divided by any unit of area: the standard unit for pressure is the Pascal, which is a Newton per square meter. Pressure = Force / area = Newton ...
