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People (especially the elderly) who are prone to falling can wear hip pads to cushion the impact on their hip from a fall. Experiments have shown...
People (especially the elderly) who are prone to falling can wear hip pads to cushion the impact on their hip from a fall. Experiments have shown that if the speed at impact can be reduced to 1.30 or less, the hip will usually not fracture. Let us investigate the worst-case scenario, in which a 75.0 person completely loses her footing (such as on icy pavement) and falls a distance of 1.00 , the distance from her hip to the ground. We shall assume that the person's entire body has the same acceleration, which, in reality, would not quite be true.1)w/ what speed does her hip reach the ground? I got 4.43m/s which is correct2)A typical hip pad can reduce the person's speed to 1.30 over a distance of 2.00 . Find the acceleration (assumed to be constant) of this person's hip while she is slowing down.Assume downward.= I got -448 which was correct 3)And find the force the pad exerts on it.= I got −3.43×10^4 which is correct4)The force in part (C) is very large. To see if it is likely to cause injury, calculate how long it lasts. Cant find this one!
