At the CERN particle accelerator in Geneva, Switzerland, protons are accelerated to a speed of 0.999999972c. In the tunnel next to the beamline a worker drops a wrench from a height of 1.8 m above the floor. Part A How much time elapses before the tool hits the floor from the worker's frame of reference? Express your answer to three significant figures and include appropriate units. ☐ о με Value Units Submit Request Answer ་ Part B ? How much time elapses as measured by a proton in the accelerator? Express your answer to three significant figures and include appropriate units. на Value ? Units Submit Request Answer

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