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A dragster weighing 7120N attains a speed of 430km in the quarter mile.immediately after passing through the timing length,the driver opens the drag chute,of area A=2.3m^2.Air and rolling resistance of the car may be neglected.Find the time required for the machine to deccelerate to 160 km/hr in standard air?
a centrifugal pump with backward-curved blades has the following measured performance when tested with water at 20degcq
how many people in the u.s. might be expected to die each year as a result of cancer caused by natural background
a vertical bar ed has a circular cross-section and is fixed at e. member abc is a single member that lies on the
a floating platform weighs 30 kn. a hollow sealed cylinder 1 m in diameter weighs 1 kn per meter of length. the water
what is the rotation matrix for an object rotation of 30o around the z axis followed by 60o around the x axis and followed by a rotation of the y axis. all rotations are counter clockwise.
a piston-cylinder assembly contains propane initially at 27degc 1 bar and a volume of 0.2 m3. the propane undergoes a
consider steady flow of a constant property fluid in a long duct formed by two parallel planes. consider a point
refrigerant 22 is used in the evaporator pipe of a commercial refrigeration unit. at steady state it flows at a rate of
while studying physics in her dorm room a student is listening to a live radio broadcast of a baseball game. she is 1.6
the solid a-36 steel shaft has a diameter of 0.75 inches. if it is subjected to the torques shown determine the max
What are the design implications for the location and positioning of solar cells? Explain why the use of solar cells might be more appropriate in some regions of the country.
the y-component of the force f which a person exerts on the handle of the box wrench is known to be 320newton. determine the x-component and the magnitude of force.
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