Physics, 01.10.2019 16:10 lorenaandreahjimenez
While john is traveling along a straight interstate highway, he notices that the mile marker reads 249 km. john travels until he reaches the 141 km marker and then retraces his path to the 174 km marker. what is john’s resultant displacement from the 249 km marker? answer in units of km.
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In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
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Adolphin emits ultrasound at 100khz and uses the timing of reflections to determine the position of objects in the water. part a what is the wavelength of this ultrasound? assume that temperature of water is 20 degrees c. answer in cm
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While john is traveling along a straight interstate highway, he notices that the mile marker reads 2...
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