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Answer to Question #65453 in Mechanics | Relativity for Manoj
Question #65453
A bullet of mass 20 g, travelling at a speed of 350 ms-1, strikes a steel plate at an angle of 30º with the plane of the plate. It ricochets off at the same angle, at a speed of 320 ms-1. What is the magnitude of the impulse that the steel plate gives to the projectile? If the collision with the plate takes place over a time ∆t = 10-3 s, what is the average force exerted by the plate on the bullet?
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The manufacturer of a popular brand of TV knows from his past experience that the probability of his TV set failing to work properly during the warranty period is 0.04. Find the probability that in a sample of 25 sold TV sets selected at random, 6 or less TV sets will be failing to work properly during the warranty period. Use both the binomial and Poisson rule and compare the results.
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