QUESTION 3 When two bodies 1 and 2 with temperatures T1 and T2 are brought into thermal contact in a thermostat, then temperature T is reached in thermal equilibrium. What temperature will be in thermal equilibrium if the bodies are initially heated to temperatures T'1 and T'Z? T1 =13.6 c T2 =93.9 C T = 58.7 C T'1 = 11.1 c T'z =78.4 C 1 0 points Save Answer QUESTION 4 Calculate the total change in entropy if 918 J of heat transfer occurs from a hot reservoir at Th=71 .9 C to a cold reservoir at Tc=28.0 C), assuming there is no temperature change in either reservoir. Input your answer in J/K using 3 signicant gures. Hint: h_ttps://scientificprints.bIogpot.com/2022/05lcalculate-totaIchange-inentropyhtml 9 points Save Answer QUESTION 9 An object is moving in a straight line. For this object, the time of movement with velocity V, is t,, and the time of movement with velocity V, is 2 Find the average velocity. O ( v, / t , + v , / t, ) 1 ( 1 / t, + 1 1 12 ) O ( t , + t ) 1 ( v , / t , + v 2 / t ) O(t, v , + t, v2 ) 1 ( t, + +2 ) O ( v + v2 ) 12 9 points Save Answer QUESTION 10 The initial position of some object is described by coordinates X. = 5m and Y. = 6m. The next position is described by coordinates X, = 9m and Y, = 6m. The third final position is described by coordinates X, = 9m and Y, = 9m. The object moves between positions by straight lines. It takes time t = 14s to move from the initial position to the final position. Calculate the average speed for motion from the initial to the final position. Input numerical answer in m/s units. 9 points Save AnswerQUESTION 11 An arrow is shot from a height of 6.8 m toward a cliff of height H. It is shot with a velocity of 97.3 m/s at an angle of 770 above the horizontal. It lands on the top edge of the cliff 8.7 s later. What is the height of the cliff? Input your answer in meters using 3 significant figures. (g = -9.80 m/s2) 9 points Save AnswerQUESTION 5 If a=b/c, a0 which math expressions are correct for these a, b, and c? 9 points Save Answer QUESTION 6 What is the total Distance Traveled in meters? : 9 points Save Answer QUESTION 7 x=x+vi+-at2 X = 84.0 m V = 3.21 m/s 1= 5.21 s a = 4.18 m/s2 x = ? in m Input answer using 3 significant figures. 9 points Save Answer QUESTION 8 v2 = vo2 + 2a(x-x0) VO = 14.1 m/s a = 15.0 m/s X = 81.9 m XO = 12.8 m v = ? in m/s. Input your answer in m/s using 3 significant figures. 9 points Save AnswerQUESTION 1 Two bodies 1 and 2 with heat capacities C1 and C2 and temperatures 71 and T2 are brought into thermal contact in a thermostat, after which the temperature T is reached in thermal equilibrium. T1 =29.2 .C T2 = 81.1 . C C1 = 72.5 J/C C2 =36.4 J/C T = ? 'C 9 points Save Answer QUESTION 2 Two bodies 1 and 2 with heat capacities C1 and C2 and temperatures 71 and 72 are brought into thermal contact in a thermostat, after which the temperature 7 is reached in thermal equilibrium. T1 =26.3 .C T2=79.9 .C T = 47.8 .C C1 = 39.1 J/C C2 = ? J/C 9 points Save