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Calculate for a rectangular surface with the vertices (b,a/sqrt(2),0), (0,a/sqrt(2),0), (0,0,a/sqrt(2)), and (b,0,a/sqrt(2)) the vectorial surface element dS (Hint: Find first a suitable parametrization of the surface).
A pipe carrying 20°C water has a diameter of 2.4 cm. Estimate the maximum flow speed if the flow must be streamline
Two charged particles with different speeds move one at a time through a region of uniform magnetic field. Find the ratio of the speeds
A rock is projected from the edge of the top of a building with an initial velocity of 12.2 m/s at an angle of 53° above the horizontal, How tall is the building
A rock is released from rest into water. The magnitude of Fd of the drag force acting on the rock due to its motion through water can be modeled as Fd = Cd(v), where v is the speed of the rock and Cd is the constant drag coefficient. Determine the..
A whale swims due east for a distance of 5.1 km, turns around and goes due west for 6.1 km, What is the total distance traveled by the whale
A 20.00 kg wood ball hangs from the 1.10 long wires. The maximum tension the wire can withstand without breaking is 600 N. A 0.710 kg projectile travelling horizontally hits and embeds itself in the wood ball. What is the largest speed this projectil..
What is magnitude of the linear acceleration of the hoop . Elucidate using Newton's Second Law of Motion, why you can throw a golf ball further than a bowling ball, still though you throw both at the similar angle and with the same amount of force.
A building has two open doors facing the bay. The walls of the building absorb sound well, so multiple reflections can be ignored. Two people are standing a distance L = 150 m from the wall with the open doors, as pictured.
A 2.0cm tall object is located 18.0cm in front of a converging lens with a focal length of 10.0cm. Is it virtual or real
a 9.5-uC charge is at x = 15 cm, y = 5.0 cm and a -3.2-uC charge is at x = 4.4 cm, y = 11 cm. Find the force on the negative charge
A rock is dropped from a bridge to the water below. It takes 2.4 s to hit the water. Find the final speed of the rock when it hits the water. How high is the bridge above the water
A 50lb sack of portland cement is dropped from rest onto the scale from a height h = 4ft measured from the scale's plate
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