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(17%) Problem 2: A thin sheet of metal has a hole cut out of its center. Q. If the metal is then heated, the diameter of the circular hole will: increase. decrease. stay the same. behave unpredictably. Submit I give up! (17%) Problem 3: The pressure of an ideal gas is slowly increased to double its original pressure with no change in temperature. ,Q What happens to the volume? It does not change. It quadruples. It doubles. It halves. Submit I give up! Hints: Feedback: (17%) Problem 4: A circular balloon has a diameter of 4.5 m at the earth's surface where the pressure is 1 atm and the temperature is 23 .C. Shah, Isha - shahis 17 @students.rowan.edu What will be the diameter of the balloon when it floats upward to where the pressure is 0.42 atm and the temperature is -23 .C? (Volume of a sphere: 4/3str3, 1 atm = 1.01 x 105 Pa) Grade Summary D = 1 m Deductions 0% Potential 100% sin() cos() tan() 7 8 9 HOME Submissions Attempts remaining: 4 cotan() asin() acos() E A 4 5 6 (0% per attempt) detailed view atan() acotan() sinh() 1 2 3 cosh() tanh() cotanh() O END O Degrees O Radians VO BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: Feedback