Thursday, February 27, 2020

Physics2proj1 Essay Example | Topics and Well Written Essays - 750 words

Physics2proj1 - Essay Example Check the instructions in the online course for more information. **If you choose to use your word processing, you may use the equation editor feature or drawing tools in your word processing to complete your project. Please be aware that you are responsible for learning to use these tools and for completing ALL parts of your project prior to submission.** **If you would rather print your project and write your answers by hand, you may still submit it electronically by scanning the pages into either .pdf (Portable Document Format), or .doc format (as an MS Word document). If you scan your project as images, embed them in a Word document in.gif image format—using .gif images that are smaller than 8 x 10 inches, or 600 x 800 pixels, will help ensure that the project is small enough to upload. Remember that a file that is larger than 5,000 K will NOT go through the online system. Make sure your pages are legible before you upload them.** You know from your studies in Unit 1 that it takes energy to warm an object, more energy to convert it to a liquid (melt) and even more energy to convert it to a gas (boil) it. As seen in Figure 23.12 in your textbook, a graph of the change in temperature as a function of energy added has a characteristic â€Å"stair-step† appearance. In this lab you will be generating a phase change diagram as you convert ice to water and finally to steam. Part B: Measure the amount of time it takes the water to start boiling and determine the temperature at which boiling occurs (remember that the higher your altitude, the lower your boiling temperature). Part D: Calculate the amount of energy added in each step (warming ice, melting ice, warming water, boiling water, warming steam) using the accepted values for the specific heat of water, latent heat of fusion and latent heat of vaporization. 1. Obtain approximately one cup of ice cubes and place them in a small container in the freezer. The

Monday, February 10, 2020

Nutritional guide to my plate Essay Example | Topics and Well Written Essays - 500 words

Nutritional guide to my plate - Essay Example The best energy giving foods that a person should consume are the grains. They have the energy contents that are essential for boosting the energy level of people. Moreover, eating the grains is very healthy and effective for males who do jobs that are tiresome and tedious. On the other hand, mothers should always put protein on the table in every meal for as proteins help in the body repair of an individual. Moreover, proteins are essential especially for young girls who are in puberty stage and loss of weight during their monthly periods. Proteins are very important in body repair and body building. Conversely, protein is needed by everybody in their lives and everyone must ensure that they consume some good amount of the proteins. However, proteins are categorized into different groups. The first category of protein is the animal protein. The next category of proteins is the plant proteins. The animal protein includes flesh. Flesh can either be red meat or white meat. White meat includes chicken and fish while red meat includes beef. It is prudent for one to consume a white meat than red meat. Red meat has very many health problems as compared to the white meat. The plant protein includes such foods as green grams and soya beans. On the other hand, fruits include things like banana, oranges and water melons. In conclusion, good health begins with a proper diet. Another important thing that one must consider is a number of the meals that they consume. The quantity should be proportionate as listed above.