How much longer does the trip take

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Reference no: EM1365322

Q. The pulley of an ideal Atwood's machine is given an upward acceleration a, as shown below. Find the acceleration of each mass and the tension in the string that connects them. Take the accelerations to be positive if they are pointing up. The speeds of the two blocks are not equal in this situation. (Use the following as necessary: a, m1, m2, and g for the acceleration due to gravity.)

Q. You normally drive on the freeway between San Diego and Los Angeles at an average speed of 87 km/h (54 mi/h), and the trip takes 2 h and 49 min. On a Friday afternoon, however, heavy traffic slows you down and you drive the same distance at an average speed of only 44 km/h (27 mi/h). How much longer does the trip take?

Reference no: EM1365322

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