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1. Sketch the velocity vector V and the normal unit vector nn^ on each area.
(a) The free surface area of a water tank that is being drained.
(b) The inlet area of a turbine.
(c) The wall of a pipe.
(d ) The bottom of a canal.
(e) The inlet area to a cylindrical screen around a drain. 2. A rectangle surrounds a two-dimensional, stationary airfoil. It is at a distance from the airfoil on all sides. Sketch the box containing the airfoil along with the velocity vector V and the normal unit vector nn^ on all four sides of the rectangle.
A soccer ball is kicked with an initial speed of 20 m/s at an angle of 25° with respect to the horizontal. Find the maximum height reached by the ball
A 1000kg car accelerates from rest to 60mph (134m/s) in 10s. During this time, its engine was operating at 3600rpm. Use the work-energy theorem to find the net work done by the car
An sub with a mass of 1800 kg is traveling eastbound at 17 m/swhile a compact car with mass of 900 kg is traveling westbound witha speed of 15 m/s the cars collide head-on becoming entangled.
The force on a charged particle of mass 2.5 × 10-3 kg and charge 4.5 mC is observed to be 0.25 N/C. what is the electric field felt by the particle
A parallel-plate capacitor is formed of two 10 cm x10 cm plates spaced 1.0 cm apart, What is the slowest speed the electron can have if it is to reach the negative plate
At a dock, a crane lifts a 2910 kg container 29.00 m, swings it out over the deck of a freighter, and lowers the container into the hold of the freighter, which is 20.50 m below the level of the dock. How much work is done by the crane
While standing near a railroad crossing, you hear a train horn. The frequency emitted by the horn is 350Hz. What is the frequency you hear after the train has passed
Vector A, which is directed along an x axis, is to be added to vector Bvec , which has a magnitude of 3.0 m, with a magnitude that is 5 times that of A, What is the magnitude of A
A person can jump a horizontal distance of 2.82m on Earth, where the free-fall acceleration, g = 9.81 m/s2. How far might the person jump on the moon, where the free-fall acceleration is g/6? How far could the person jump on Mars where the accelerati..
speed of 39.0 m/s through a school zone, exceeding the posted speed limit. Find the distance required for the policeman to overtake the motorist
Two soccer players start from rest, 43 m apart. They run directly toward each other,both players accelerating. How much time passes before they collide
Monochromatic light of wavelength 600 nm illuminates a single slit of width 6.5 um and a diffraction pattern is created on a wall. The central maximum has a width of 3.5m. Determine the separation between the slit and the wall.
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