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Computing torque Answer the following questions about torque.
42. Let
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Chapter 13 Solutions
Calculus: Early Transcendentals (3rd Edition)
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- Find a unit vector u in the direction of v=i+jarrow_forwardVelocitySuppose that in Exercise 55 the current is flowing at 1.2 mi/hr due south. In what direction should the swimmer head in order to arrive at a landing point due east of his starting point? VelocityA river flows due south at 3mi/h. A swimmer attempting to cross the river heads due east swimming at 2mi/h relative to the water. Find the true velocity of the swimmer as a vector.arrow_forwardX6.7.63 Suppose that a boat weighs 1000 pounds and is on a ramp inclined at 30°. Represent the force due to gravity, F, using F= - 1000j as shown in the figure to the right. a. Write a unit vector along the ramp in the upward direction. b. Find the vector projection of F onto the unit vector from part a. c. What is the magnitude of the vector projection in part b? What does this represent? V3 a. The unit vector along the ramp in the upward direction is u = i+ (Simplify your answer. Type your answer in terms of i and j. Use integers or fractions for any numbers in the expression. Rationalize all denominators. Type an exact answer, using radicals as needed.) b. proj„F = - 2503i- 250j (Simplify your answer. Type your answer in terms of i and j. Rationalize all denominators. Type an exact answer, using radi as needed.) c. The magnitude of vector projection proj, F is 500'. (Simplify your answer. Round to the nearest whole number as needed.) What does the magnitude of vector projection…arrow_forward
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