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Determine the angle measure between vectors u and v: u = – 3i + 3j and v = 3i + 2j .? Need help with this question again I forgot how I got the answer? Can 115 volt appliances work safely with 120 volt wall outlets? Will they fry from a slightly smaller voltage? I’m 16 years fnfjfnne she Nd d? A 6 meter high tank is full of water. A hole appears in it . What is the speed of efflux?