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The mass of a spring-mass system is initially displaced by 10 cm from its unstressed position by applying a force of 25 N, which is equal to five times the weight of the mass. If the mass is released from this position, how long will the mass vibrate and at what distance will it stop from the unstressed position? Assume a coefficient of friction of 0.2.
this question has popped up elsewhere on here but im a little dubious on some of the answers. anyway here goes any help
Hot oil is to be cooled in a double-tube counter flow heat exchanger. The copper inner tubes have a diameter of 2 cm and negligible thickness. The inner diameter of the outer tube (the shell) is 3 cm. Water flows through the tube at a rate of 0.5 kg/..
a carnot heat pump is to be used for heating house in winter. the house temperature is set at 25oc. one day the outdoor
The drag coefficient (Cd) of a semi-tractor trailer without a cab fairing is 0.96,and with the fairing is 0.76 based on frontal area of 80ft^2. if power=Force * velocity, determine the horsepower (Hp) reduction of using the fairing in the truck is go..
Determine the maximum value of the angle for which the body does not slip
The coefficient associated with heat transfer by natural convection between the person and the room air is approximately 2 W/m2 · K.
determine the component of vector a in the direction of vector b. verify that the computed unit vector has a magnitude
A gear blank has been successfully hot forged on a mechanical press in a closed die. At the beginning of a new production run
refrigerant 134a is compressed with no heat transfer in a piston- cylinder assembly from 30 lbfin2 20 degrees f to 160
a bullet of mass m0 is fired horizontally with a velocity v0 into the slender bar of a pendulum of mass m and length l
Wind turbines are becoming more and more common as a method of energy production, wind turbines by their very nature are dynamic and are subject to and create their own internal and external kinematics and kinetics.
consider a 210mw steam power plant that operates on a simple rankine cycle. steam enters the turbine at 10mpa and 500oc
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