Physics, 05.11.2019 01:31 destinybonmer
Amaterial that has a fracture toughness of 33 mpa. m0.5 is to be made into a large panel that is 2000 mm long by 250 mm wide and 4 mm thick. if the allowable total crack length (mid crack) is 4mm, what is the maximum tensile load in the long direction that can be applied without catastrophic failure with a safety factor of 2.
Answers: 2
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You are driving to the grocery store at 20 m/s. you are 110m from an intersection when the traffic light turns red. assume that your reaction time is 0.50s and that your car brakes with constant acceleration. how far are you from the intersection when you begin to apply the brakes? what acceleration will bring you to rest right at the intersection? how long does it take you to stop after the light changes? the known values: vi=20m/s xi=110m t=.50s vf=0m/s xf=0m a=?
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Amaterial that has a fracture toughness of 33 mpa. m0.5 is to be made into a large panel that is 200...
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