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• select the correct answer. an iron bar at 200°c is placed in thermal contact with an identical iron bar at 120°c in an isolated system. after 30 minutes, both iron bars are at 160°c. if the iron bars were placed in thermal contact in an open system instead of an isolated system, how would the results be different? assume that the room temperature is 25°c. a. the temperatures of the iron bars after 30 minutes would be less than 160°c because heat would be lost to the surroundings. b. it would take more than 30 minutes for both iron bars to reach 160°c because heat would be transferred less efficiently. c. the temperatures of both iron bars would increase as they absorb heat from the surroundings. d. the temperatures of both iron bars would decrease because pieces of them would be lost to the surroundings.
  
• the main character's motivation is tokeep his nets clean of dirt.support his wife and three children.be up and working by moonlight.catch stones, shells, and mud.
  
• a nurse is caring for a client who underwent a skin biopsy and has three stitches in place. this wound is healing by:
  
• which lists all of the y-intercepts of the graphed function? (0, –3) (–1, 0) and (3, 0) (0, –1) and (0, 3) (–1, 0), (3, 0), and (0, –3)
  
• which event prevented descartes from publishing the world after he was done writing the book? serving as a soldier during the thirty years’ war accepting an invitation to tutor the queen of sweden awaking from sleep due to three vivid dreams learning of galileo’s imprisonment
  
• shandra bought 24 chicken wings for $50.40. if shandra spent $10.50, how many chicken wings did she buy?
  
• which microscope uses a series of lenses to magnify an object in steps? electron microscope simple microscope compound light microscope scanning microscope
  
• 3% simple annual interest paid on $250 a 2-column table with 4 rows. column 1 is labeled year with entries 1, 2, 3, 4. column 2 is labeled total interest paid with entries question mark, 15 dollars, 22 dollars and 50 cents, question mark. the simple interest earned in year 1 is calculated as . the simple interest earned in year 1 is . the total interest earned at the end of year 4 is .
  
• why was cuba thought to be a threat in the early 1960s? it was communist and given weapons by the soviet union that could reach u.s. soil. it was democratic and had set up a naval blockade to stop trade with the united states. it was close to u.s. soil and built missile bases from materials made in the united states. it was ruled by the soviet union and was trying to prevent the u.s. democratic elections.
  
• janelle is training an ai-powered model car to stay on an oval track drawn on the floor. the car drives in different directions and is scored by the training algorithm based on how closely the car stays on the track. what kind of learning model is janelle’s car using?