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Q. A civil engineer is in charge of building a section of the interstate that includs a turn whose radius is 80 m, what will be the maximum allowable speed on this interstate?

Q. A bullet of mass m = 25 g is fired into a wooden block of mass M = 4.5 kg. The block is attached to a string of length 1.5 m. The bullet is embedded in the block, causing the block to then swing. If the block reaches a maximum height of h = 0.34 m, what was the initial speed of the bullet?

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