Due to a jaw injury, a patient must wear a strap that produces a net upward force of 4.10 N on his chin. The tension is the same throughout the strap. Part A: To what tension must the strap be adjusted to provide the necessary upward force? Express your answer in newtons. 75.0
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- Free answer instructions: 1. At the top of the page write your name and problem version (A, B, or C) 2. Carefully read the problem 3. Write your solution to each sub-section separately (A, B, C) on paper Your solution can be turned in two ways: A. Scan or take a photo of your solution - make sure your scan is legible Make sure your file is in jpeg or pdf format (other formats will need to be converted). Upload your scanned solution using the "Choose a File" button beneath B. Turn in a hard-copy with your name on it to SRTC 134 by 12:45PM Version B A large disc-shaped grindstone is spinning at 500 revolutions/min. The grindstone has a mass 4.0 kg and radius 9.0 cm. The moment of inertia of a disc rotating about its center is given by I = MR² The power is shut off by the operator and to slow it down, she sharpens a 4 kg axe by holding it against the grindstone until it stops 7 s later. Assume the angular acceleration is constant while the grindstone is slowing down. (A) Draw a diagram…this orde parentheses, exponents, multiplication and division in order, and finally "Please excuse my dear Aunt Sue" is a use addition and subtraction in order. S "as for r. for d. r v. me it takes m, in scien- baseball Base your answers to questions 100 and 101 on the diagram below, which represents a toy car traveling at constant speed v up an incline from point A to point B, a distance of 1.4 meters. 100. Determine the measure of the angle that the incline makes with the horizontal. 101. Calculate the vertical change in the car's position. Velocity (m/s) Base your answers to questions 102 and 103 on the graph below, which represents the velocity of an object traveling in a straight line as a function of time. 15 Horizontal 10 5 0 B Velocity vs. Time XA 2.0 4.0 Time (s) 6.0 Mechanics 8.0 102. Calculate the total area under the curve. 103. Calculate the slope of the line in the time interval 6.0 seconds to 8.0 seconds. How ca Acc (si ir CCan you show all steps and use everything that’s given in the problem to get the answer please.
- calculate the ME, KE or PE for the following. Use the equations below to help you. You must show mathematically how you obtained your answer in order to receive full credit. Show your work below the picture.Free answer instructions: 1. At the top of the page write your name and problem version (A, B, or C) 2. Carefully read the problem 3. Write your solution to each sub-section separately (A, B, C) on paper Your solution can be turned in two ways: A. Scan or take a photo of your solution - make sure your scan is legible Make sure your file is in jpeg or pdf format (other formats will need to be converted). Upload your scanned solution using the "Choose a File" button beneath B. Turn in a hard-copy with your name on it to SRTC 134 by 12:45PM Version A In a General Physics laboratory at Portland State, a block of mass m₁ is sliding along a near frictionless surface with initial velocity of V₁; and has a head-on elastic collision with a stationary block of mass m2. After the collision the blocks have velocities v₁fand v2f. Both masses are measured prior to the experiment and the initial speed of m₁ is also measured using a photo-gate instrument. (A) What equations from conservation are…So there is a demonstration in which a lighted candle was placed under two ordinary latex balloons. -The first balloon was filled only with air. This balloon popped immediately. -The second balloon was partially filled with water, then filled therest of the way with air. This balloon did not pop in the time allowed (basically takes way too long to pop). 1. What caused the first balloon to pop? Give at least two possibleexplanations, and thoroughly explain your points. 2. Why did the second balloon not pop in the time allowed? Giveat least two possible reasons, and thoroughly explain your points. 3. Predict how the demonstration would change if the flame of thecandle were directed at the top of the second balloon instead of beingheld directly beneath it? Explain your prediction. 4. Predict how the demonstration would change if the secondballoon contained ethanol instead of water. Explain your prediction.Also pls make your answer fit on just one side of 1 standard sheet of paper, so…
- Write the detailed solution (Given, Unknown, Formula, Step-by-Step Solution). Box your final answer. Please make sure that your handwritten is readable. Thank you.Please use the image below to answer these questions 1. Considering the air resistance problem. What is the acceleration altitude of 2900ft? Show all work and be sure to include units(including directions) 2. At which altitude (s) has the skydiver reached terminal velocity? How do you know? 3. At 2900 feet, the skydiver is ——. Mark all that apply a) moving upward B) speeding up C) moving downward D) slowing down.