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Airplane flight recorders must be able to survive catastrophic accidents. Therefore, the boxes are usually locked In a crash-resistant steel or titanium are subjected to rigorous testing. One test is an impact crash test in which the fund must survive being thrown at high speed into a barrier. A box of 41 kg is produced at a speed of 245 m / s, and was paralyzed in a crash that takes some time of 5.7 ms. What is the magnitude of the average net force acting on the box for collision?
Initial momentum of the box = (41) * (245) = 10045 kg m / s final momentum of the box = 0 change at the time of the box = 10,045 kg m / s average net force acting on the box during the collision = Change in time and time of impact = 10045 / 0.0057 N = 1.76 * 10 ^ 6 N
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ULTRIX 1000 – RIM MOULD HIGH SPEED MACHINING
