Fill the pool
Jim can fill the pool carrying buckets of water in 30 minutes. Sue can do the same job in 45 minutes. Tony can do the same job in 1 ½ hours. How quickly can all three fill the pool together?
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Job offers for a college graduate arrive according to Poisson process with mean 2 per month. A job offer is acceptable if the wages are at least $32,000.
A mass weighing 4 pounds is attached to the spring whose spring constant is 25 lb/ft. Determine the period of simple harmonic motion?
A uniform rod AB, of mass 0·3 kg and length 2·0 m, with three particles, of masses 0·2 kg, 0·4 kg and 0·5 kg, attached to points A, C and B respectively, where AC = 0·6 m. When the rod is suspended by strin
The motorcycle speed was 45 mph and rider walks at 6 mph. The distance from home to work is 25 miles, that the total time for the trip was 2 hr. How far did the motorcycle go before it broke down?
If two planes leave airport at 1:00 pm, how far in distance will they be at 3:00 pm if one plane drove directly North 150mph and the other drove directly west 200 mph?
A man drove 220 miles in 3.5 hours. If part of the trip was at 60 mph and the rest at 65 mph, find the time spent driving at the faster speed.
A freight train left Beeville at 5am traveling 30mph. At 7am express train traveling 50 mph left same station. When did the express overtake the freight?
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