A force f1 of magnitude 4. 0 n and directed due east is exerted on an object. A second force exerted on the object is f2 = 4. 0 n, due north. What is the magnitude of a third force f3 which must be exerted on the object so that the resultant force is zero?.

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The recommended daily calcium intake for a 20-year-old is 1,000 milligrams (mg). one cup of milk contains 299 mg of calcium and one cup of juice contains 261 mg of calcium. which of the following inequalities represents the possible number of cups of milk m and cups of juice j a 20-year-old could drink in a day to meet or exceed the recommended daily calcium intake from these drinks alone?

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