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The situation for this problem is as explained in question 4. Block E is moving up and to the left (and Block D is moving down). The mass of Block D is 3.2 kg. The mass of Block E is 2.4 kg. The coefficient of kinetic friction between Block E and the plane is 0.5. The inclined plane is inclined at an angle of θ = 32 degrees above horizontal. Calculate the tension in the string (in units of newtons). Question 7 This question is the same as question 5 with the exceptions that The numbers have changed, and Block E is moving down and to the right (this refers to velocity) Block E is moving down and to the right (and Block D is moving up). The mass of Block D is 2.9 kg. The mass of Block E is 3.9 kg. The coefficient of kinetic friction between Block E and the plane is 0.41. The inclined plane is inclined at an angle of θ = 31 degrees above horizontal. Calculate the acceleration of Block E (in units of meters per second squared). For the purpose of this question, the acceleration is positive it points up and to the left (it is negative if it points down and to the right).

The situation for this problem is as explained in question 4. Block E is moving up and to the left (and Block D is moving down). The mass of Block D is 3.2 kg. The mass of Block E is 2.4 kg. The coefficient of kinetic friction between Block E and the plane is 0.5. The inclined plane is inclined at an angle of θ = 32 degrees above horizontal. Calculate the tension in the string (in units of newtons). Question 7 This question is the same as question 5 with the exceptions that The numbers have changed, and Block E is moving down and to the right (this refers to velocity) Block E is moving down and to the right (and Block D is moving up). The mass of Block D is 2.9 kg. The mass of Block E is 3.9 kg. The coefficient of kinetic friction between Block E and the plane is 0.41. The inclined plane is inclined at an angle of θ = 31 degrees above horizontal. Calculate the acceleration of Block E (in units of meters per second squared). For the purpose of this question, the acceleration is positive it points up and to the left (it is negative if it points down and to the right).

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THIS IS A 4 PART PROBLEM THE QUESTION IN THE IMAGE IS ALREADY BEING WORKED ON AND QUESTION 5 IS ALSO BEING WORKED ON. CAN YOU PLEASE ANSWER QUESTION 6, 7.

Question 5

The situation for this problem is as explained in question 4.

Block E is moving up and to the left (and Block D is moving down).

The mass of Block D is 3.8 kg.

The mass of Block E is 2.9 kg.

The coefficient of kinetic friction between Block E and the plane is 0.42.

The inclined plane is inclined at an angle of θ = 24 degrees above horizontal.

Calculate the acceleration of Block E (in units of meters per second squared). For the purpose of this question, the acceleration is positive it points up and to the left (it is negative if it points down and to the right).

Question 6

The situation for this problem is as explained in question 4.

Block E is moving up and to the left (and Block D is moving down).

The mass of Block D is 3.2 kg.

The mass of Block E is 2.4 kg.

The coefficient of kinetic friction between Block E and the plane is 0.5.

The inclined plane is inclined at an angle of θ = 32 degrees above horizontal.

Calculate the tension in the string (in units of newtons).

Question 7

This question is the same as question 5 with the exceptions that

  • The numbers have changed, and
  • Block E is moving down and to the right (this refers to velocity)

Block E is moving down and to the right (and Block D is moving up).

The mass of Block D is 2.9 kg.

The mass of Block E is 3.9 kg.

The coefficient of kinetic friction between Block E and the plane is 0.41.

The inclined plane is inclined at an angle of θ = 31 degrees above horizontal.

Calculate the acceleration of Block E (in units of meters per second squared). For the purpose of this question, the acceleration is positive it points up and to the left (it is negative if it points down and to the right).

 

E above shows two blocks connected by one string. For the purpose of this problem, assume the string is essentially massless and the pulley is essentially frictionless and massless. Block D (with mass mp) hangs from a string that runs over a pulley and connects to Block E. Block E (with mass mE) slides over an inclined plane with significant kinetic friction. The coefficient of kinetic friction between block E and the plane is HK. The plane is inclined at an angle ) (theta) above horizontal, as shown in the diagram. This question requires you to create and submit scratch paper what will be useful for your solution of the next two questions. Draw diagrams and write out equations to solve for the acceleration of Block E and the tension in the string. Your solution should be neat and organized enough for someone to read it and understand what you did. You will probably want to use your work for this question to answer the next THREE questions. You may answer them first if you want.
Transcribed Image Text:E above shows two blocks connected by one string. For the purpose of this problem, assume the string is essentially massless and the pulley is essentially frictionless and massless. Block D (with mass mp) hangs from a string that runs over a pulley and connects to Block E. Block E (with mass mE) slides over an inclined plane with significant kinetic friction. The coefficient of kinetic friction between block E and the plane is HK. The plane is inclined at an angle ) (theta) above horizontal, as shown in the diagram. This question requires you to create and submit scratch paper what will be useful for your solution of the next two questions. Draw diagrams and write out equations to solve for the acceleration of Block E and the tension in the string. Your solution should be neat and organized enough for someone to read it and understand what you did. You will probably want to use your work for this question to answer the next THREE questions. You may answer them first if you want.
You will probably want to use your work for this question to answer the next THREE questions. You may answer them first if you want. • You need to know that for the purpose of this question and questions 5 and 6, block E is moving up and to the left (that is the direction of its velocity). In question 7 block E will be moving (again, that refers to velocity) down and to the right, but do your work for this question as though it is moving up and to the left. • You might also want to know that for the purposes of the next 3 questions, the acceleration of Block E is positive it points up and to the left (it is negative if it points down and to the right). DO NOT USE NUMBERS IN YOUR SOLUTION TO THIS QUESTION. Your answers to the next three questions will be numerical answers which will require you to plug numbers into the work you do for this question, but the scratch paper you submit for this equations should include only symbols.
Transcribed Image Text:You will probably want to use your work for this question to answer the next THREE questions. You may answer them first if you want. • You need to know that for the purpose of this question and questions 5 and 6, block E is moving up and to the left (that is the direction of its velocity). In question 7 block E will be moving (again, that refers to velocity) down and to the right, but do your work for this question as though it is moving up and to the left. • You might also want to know that for the purposes of the next 3 questions, the acceleration of Block E is positive it points up and to the left (it is negative if it points down and to the right). DO NOT USE NUMBERS IN YOUR SOLUTION TO THIS QUESTION. Your answers to the next three questions will be numerical answers which will require you to plug numbers into the work you do for this question, but the scratch paper you submit for this equations should include only symbols.
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