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When a smooth hump is installed across a flowing flume, free surface level drops. How do you classify the initial flow? Explain the reasons for changes in flow depth near the hump using concepts of specific energy and total energy. Use the Es-Y diagram to support your explanation.
At t=0 a wheel rotating about a fixed axis at a constant angular acceleration has an angular velocity of 2 rad/s. what is the angular acceleration of this wheel
ms.smith is planning her classroom. she knows she has approximately 12 linear meters of available wall space. she likes
A 14.0 kg block of metal measuring 12.0 cm x 10.0 cm x 10.0 cm is suspended from a scale and immersed in water. find the forces acting on the top and on the bottom of the block
A 4.0 capacitor is connected in series to a resistor. If an emf source is connected in series to this arrangement, and if the voltage drop across the capacitor is one-half the applied emf 8.0 ms after the emf source has been connected, what is resist..
A cylindrical rod with a diameter of 2.54 cm and a length of 76.2 cm is initially at a temperature of 20.0 C. Next, After reaching equilibrium, what is the volume of the rod
Starting from rest, a 91-kg fire fighter slides down a fire pole. The average frictional force averted on him by the pole has a magnitude of 750 N, and his speed at the bottom of the pole is 3.2 m/s. How far did he slide down the pole?
You are designing a carousel for which a point on the outside will have a radial acceleration of 0.500 m/s2, What angular velocity is required to achieve these values
A beetle sits at the top of a bicycle wheel and flies away just before it would be squashed. assuming that the wheel turns clockwise, the beetle's angular displacement is π rad, which corresponds to an arc length of 1.2 m. what is the wheel's radius?..
A 3.00-g bullet traveling horizontally at 400 m/s hits a 3.00-kg wooden block, which is initially at rest on a smooth horizontal table. The bullet buries itself in the block without passing through. The speed of the block after the collision is:
a concave mirror has a radius of curvature of 13.4 cm. if a pointlike object is placed 8.31 cm away from the mirror on
A football is kicked at ground level with a speed of 18.0m/s at an angle of 30.9 degrees to the horizontal. How much later does it hit the ground
A particle of mass 6.8 x 10-8kg and charge +9.4 μC is traveling due east. It entersperpendicularly a magnetic field whose magnitude is 3.9 T. How much time does the particle spend in the magnetic field
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