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Solve the all parts of given problem:
Problem: A car comes to a bridge during a storm and finds the bridge washed out. The driver must get to the other side, so he decides to try leaping it with his car. The side the car is on is 19.0m above the river, whereas the opposite side is a mere 1.8m above the river. The river itself is a raging torrent 69.0m wide.
Part I: How fast should the car be traveling just as it leaves the cliff in order to just clear the river and land safely on the opposite side?
Part II: What is the speed of the car just before it lands safely on the other side?
Any help I can get on this problem is greatly appreciated! I'm not too familiar with this problem.
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