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SPH4U Physics

Question

Answered

Task

GA1: Rules and Regulations.
  • You are a member of a group on eClass (check your group number on your eClass profile)
  • All members in each group MUST work actively during the assignment.
  • All members of the group get the same grade.
  • You can not split the questions. You MUST work together to solve the questions one-by-one and together.
  • Write you answer and upload your one file for all members in group (pdf format or Microsoft word are acceptable) into eClass

Rules for group discussion.

  • You MUST respect each other at all time, even if you don’t know them or don’t like them.
  • You can and should disagree with others, but you MUST be respectful at all time.
  • Some of the steps you learn here will be tested in your exam

Question 1:

Compare the energy scales of mechanical, chemical, and mass energy by calculating (a) the energy associated with dropping 10 kg of coal through a vertical distance of 100 m, (b) burning 10 kg of coal, and (c) converting the mass of 10 kg of coal into energy via nuclear power plant.

You will solve this problem in 3 following separate steps. [2 marks for each step]

(a) Calculate the energy associated with dropping 10 kg of coal through a vertical distance of 100 m. Assume that you know:

(b) Calculate the energy associated with burning 10 kg of coal based on the following information:

(c) converting the mass of 10 kg of coal into energy via nuclear power plant and based on the following information:

Question 2:

  • Two cubic meter of water is poured off a 200-meter-high bridge. If the change in gravitational potential energy is converted into electricity with an efficiency of 90%, how long can this energy illuminate a standard 100 [W] light bulb?
  • You will solve this problem in 3 following separate steps. [2 marks for each step]

a. Calculate the mass of two cubic meter of water, based on the following information.

b. Calculate the energy created when two cubic water poured from 200 meter, based on the following information. Calculate the useable energy if the efficiency is 90% based on the following information.

c. Calculate the time if you use the useable energy from step 3 to illuminate the light bulb.

Question 3:

  • Five grams of methane is burned, and the heat is used to raise the temperature of 2 kg of water. If the initial temperature of the water is 20 (?, what is the final temperature of water?
  • You will solve this problem in 2 separate steps. [2 marks for each step]Calculate how much energy is released by burning 5 grams of methane based on the following information.

Calculate the final temperature of water based on the following information.

Question 4:

  • Calculate the ideal Carnot efficiency of a steam turbine that utilizes steam at a temperature of 775 (? and ejects water to the environment at a temperature of 45 (?.
  • You will solve this problem in 2 separate following steps. [2 marks for each step]

a. Convert the temperature from ℃ to Kelvin unit based on the following information.

b. Calculate the efficiency based on the following information and step 1.

SPH4U Physics

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Tellus molestie nunc non blandit massa enim nec dui. Tellus molestie nunc non blandit massa enim nec dui. Ac tortor vitae purus faucibus ornare suspendisse sed nisi. Pharetra et ultrices neque ornare aenean euismod. Pretium viverra suspendisse potenti nullam ac tortor vitae. Morbi quis commodo odio aenean sed. At consectetur lorem donec massa sapien faucibus et. Nisi quis eleifend quam adipiscing vitae proin sagittis nisl rhoncus. Duis at tellus at urna condimentum mattis pellentesque. Vivamus at augue eget arcu dictum varius duis at. Justo donec enim diam vulputate ut. Blandit libero volutpat sed cras ornare arcu. Ac felis donec et odio pellentesque diam volutpat commodo. Convallis a cras semper auctor neque. Tempus iaculis urna id volutpat lacus. Tortor consequat id porta nibh.

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Hac habitasse platea dictumst vestibulum rhoncus est pellentesque. Amet dictum sit amet justo donec enim diam vulputate ut. Neque convallis a cras semper auctor neque vitae. Elit at imperdiet dui accumsan. Nisl condimentum id venenatis a condimentum vitae sapien pellentesque. Imperdiet massa tincidunt nunc pulvinar sapien et ligula. Malesuada fames ac turpis egestas maecenas pharetra convallis posuere. Et ultrices neque ornare aenean euismod. Suscipit tellus mauris a diam maecenas sed enim. Potenti nullam ac tortor vitae purus faucibus ornare. Morbi tristique senectus et netus et malesuada. Morbi tristique senectus et netus et malesuada. Tellus pellentesque eu tincidunt tortor aliquam. Sit amet purus gravida quis blandit. Nec feugiat in fermentum posuere urna. Vel orci porta non pulvinar neque laoreet suspendisse interdum. Ultricies tristique nulla aliquet enim tortor at auctor urna. Orci sagittis eu volutpat odio facilisis mauris sit amet.

Tellus molestie nunc non blandit massa enim nec dui. Tellus molestie nunc non blandit massa enim nec dui. Ac tortor vitae purus faucibus ornare suspendisse sed nisi. Pharetra et ultrices neque ornare aenean euismod. Pretium viverra suspendisse potenti nullam ac tortor vitae. Morbi quis commodo odio aenean sed. At consectetur lorem donec massa sapien faucibus et. Nisi quis eleifend quam adipiscing vitae proin sagittis nisl rhoncus. Duis at tellus at urna condimentum mattis pellentesque. Vivamus at augue eget arcu dictum varius duis at. Justo donec enim diam vulputate ut. Blandit libero volutpat sed cras ornare arcu. Ac felis donec et odio pellentesque diam volutpat commodo. Convallis a cras semper auctor neque. Tempus iaculis urna id volutpat lacus. Tortor consequat id porta nibh.

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