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1. Decide if each of the following can be modeled as an incompressible flow or a compressible flow:
(a) the take-off and landing of commercial airplanes(b) the airflow around an automobile(c) the flow of air in a hurricane(d) the airflow around a baseball thrown at 100 mi/h 2. Write all the non-zero terms of Dr/Dt for a stratifled flow in which:
(a) r ¼ r(z) and V ¼ z(2 - z)i(b) r ¼ r(z) and V ¼ f(x, z)i þ g(x, z)j
A certain automobile engine is performing work at the rate of29400 W (39 hp) by an efficiency of 22%. At what rate is heat being expelled by the engine?
A net force of 25 newtons is applied horizontally to a 10. kilogram block resting on a table. What is the magnitude of the acceleration of the block
A tiger leaps horizontally from a 5.4 -high rock with a speed of 4.0. How far from the base of the rock will she land
the cable lifting an elevator is wrapped around a 1.0 m-diameter cylinder that is turned by the elevators motor. the
An electron moving at 3.8 x 103 m/s in a 1.3 T magnetic field experiences a magnetic force of 1.75 x 10-16 N. What angle (in degrees, between 0 and 90°) does the velocity of the electron make with the magnetic field
A toroidal solenoid with mean radius r and cross-sectional area A is wound uniformly with N1 turns. A second toroidal solenoid with N2 turns is wound uniformly on top of the first, so that the two solenoids have the similar cross-sectional area and m..
A ray of light is travelling in water. It passes from the water into a transparent material at an angle of 37o. Determine the speed of light in the transparent material
The storage of radioactive waste is an important problem in the nuclear industry. how much waste will spill over the top
given a barrel of diameter 134.122 cm at 20 c it is your job to attach an iron band around this barrel. the circular
You absentmindedly solder a 62.8kohm resistor into a circuit where a 44.8kohm should be. What is the resistance of this resistor
a wooden block of volume 5.231e-4 m3 floats in water and a small steel object of mass m is placed on top of the block.
q1. when babe ruth hit a homer over the 7.5 -high right-field fence 98 from home plate roughly what was the minimum
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