How far apart are the planes after two hours
Two planes leave the same airport at the same time. One flies at at 20 degrees east of north at 500 miles per hour. The second flies at 30 east of south at 600 miles per hour. How far apart are the planes after 2 hours?
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A puck of mass m = 1.00 kg slides in a circle of radius r = 23.0 cm on a frictionless table while attached to a hanging cylinder of mass M = 3.80 kg by a cord through a hole in the table. What speed (in m/s) keeps the cylinder at rest?
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Calculate the fraction of the principal species in the solution by mixing 0.1Mleucine and 0.1M NaOH, and the pH of that solution.
When carbon is burned in air, it reacts with oxygen to form carbondioxide. When 12.0 g of carbon were burned in the presence of48.0 g of oxygen, 16.0 g of oxygen remained unreacted.
Two planes leave the same airport at the same time. One flies at at 20 degrees east of north at 500 miles per hour. How far apart are the planes after 2 hours?
The four suquential sides of a quadrilateral have lengths 4.5 cm, 7.9 cm, 9.4cm, and 12.9. The angle between the two sides is 117 degrees. What is the area of this quadrilateral?
The mass of a star is 1.49 x 1031 kg and it performs one rotation in 26.1 days. Find its new period (in /days) if the diameter suddenly shrinks to 0.59 times its present size. Assume a uniform mass distribution before and after.
Write a system of linear equations to represent the situation. Then use Cramer's rule to find the number of $10 bills.
How much ice (in grams) would have to melt to lower the temperature of 352 mL of water from 26 C to 6 C?(Assume the density of water is 1.0 g/mL.)
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