Salt water with a density of 6 = 0.25 g/ cm flows over the curve r(t) = /5ti+ 2ij. Osts5, according to the vector field F=öv, vhere v= xyi + (x-y)j is a velocity field measured in centimeters per second. Find the flow of F over the curve r(t).
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- (a) Assuming that each cubic centimeter of water has a mass of exactly 1 g, find the mass of 9.38 cubic meter of water. (b) Suppose that it takes 13.9 hours to drain a container of 91.3 m³ of water. What is the "mass flow rate," of water from the container?A cubic pool with edges of length L is filled with water described by the flow vector J below: J(r, y, z) = -2Jot (ryi + yzj + xzk), with Jo having the appropriate units. Find the units for Jg. Find the time to fill the pool if at t = 0 the pool is empty.A diameter garden hose with a diameter of 3cm sprays water travels through a hoseat 1m/s. At the end of the garden hose, the diameter reduces to 2cm. What is the speed ofthe water coming out at the end?
- ents 41 An airplane has a mass of 1.4x10 kg, and the air flows past the lower surface of the wings at 93 m/s Part A If the wings have a surface area of 1400 m², how fast must the air flow over the upper surface of the wing if the plane is to stay in the air? Express your answer to two significant figures and include the appropriate units. HÅ Submit Value Request Answer stv Units Review Constants 2Assuming that each cubic centimeter of water has a mass of exactly 1 g, find the mass of 8.70 cubic meter of water. (b) Suppose that it takes 15.0 hours to drain a container of 39.4 m3 of water. What is the "mass flow rate," of water from the container?An oil circulates through a pipe (SG = 0.85), if the speed of the oil is 20 m / s and the diameter of the pipe is 10 cm, determine the mass flow of the oil (in Kg / s) in the pipe.
- (a) Assuming that each cubic centimeter of water has a mass of exactly 1 g, find the mass of 6.67 cubic meter of water. (b) Suppose that it takes 12.7 hours to drain a container of 50.5 m³ of water. What is the "mass flow rate," of water from the container?(a) Assuming that each cubic centimeter of water has a mass of exactly 1 g, find the mass of 8.88 cubic meter of water. (b) Suppose that it takes 15.5 hours to drain a container of 87.0 m3 of water. What is the "mass flow rate," of water from the container?An airplane is flying in the direction of 30° west of north. Windis blowing at 40 miles per hour from the south.a) What is the projection of the wind vector in the direction the airplaneis headed?b) What is the projection of the wind vector in the directionperpendicular to the direction the airplane is headed?
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