Determine the velocity of the boat
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Air flows along a horizontal, curve streamline with a curve 20 ft raduis with a speed of 100ft/s. Determine the pressure gradient normal to the streamline?
Two students from a certain university are randomly selected from all other students who attend that university. The two students do not know each other. Let a= the first student has taken statistics and let b= the second student has taken statist
A spring, with k = 2500 N/m, is fixed vertically to the floor. A 10.0-kg box is pressed down on the spring such that the total compression of the spring is 0.5 m. When the box is released, what is the maximum speed the box reaches?
Given a rectangular sample of Ductile Iron, 60-40-18 with cross sectional dimensions 0.8 in x4 in, calculate the stress (in psi) if the length increases from 6.5 inches to 6.74 inches during a tensile test.
A 180 lb man and a 120 lb woman stand side by side at the same end of a 300 lb boat, ready to dive, each with a 16 ft/s velocity relative to the boat. Determine the velocity of the boat after they have both dived, if:
A spherical mirror is polished on both sides. When the concave side is used as a mirror, the magnification is +2.0. What is the magnification when the convex side is used as a mirror, the object remaining the same distance from the mirror?
Water is flowing horizontally through 100 feet of 2 inch pipe, then into a sudden expansion to 3 inch pipe for 50 more feet.
The blade of a windshield wiper moves through an arc of 90° in a time of 0.40s. The tip of the blade moves on the arc of a circle that has a radius of 0.45m. What is the magnitude of the centripetal acceleration of the tip of the blade? Hint:
An object, which is initially at rest on a frictionless horizontal surface, is acted upon by four constant forces. F1 is 18.1 N acting due East, F2 is 37.0 N acting due North, F3 is 39.2 N acting due West, and F4 is 27.3 N acting due South. How mu
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