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The 90-kg man dives from the 40-kg canoe. The velocity indicated in the figure is that of the man relative to the canoe just after loss of contact. If the man, woman, and canoe are initially at rest, determine the horizontal component of the absolute velocity of the canoe just after separation. Neglect drag on the canoe, and assume that the 60-kg woman remains motionless relative to the canoe.
finite element analysis fea is a modern-day tool in the analysis of structural mechanics fluid dynamics and heat
a gas in an insulated tank is separated from an evacuated region by a membrane. the membrane is removed and the gas is
The angular acceleration of a shaft is defined by the relation a = -0.25w, where a is expressed in rad/s^2 and w in rad/s. Knowing that at t=0 th angular velocity of the shaft is 20 rad/s, determine the time required for the shaft to come to rest.
Assume a diffusion coefficient of 1 × 10-8 m2/s, that the concentrations at the high- and low-pressure sides of the plate are 2.4 and 0.6 kg of hydrogen per cubic meter of palladium, and that steady-state conditions have been attained.
Find the minimum power of the pump
natural gas at 70 f and standard atmospheric pressure of 14.7 psi is compressed isentropically to a new absolute
A cylindrical drill with radius r1 is used to bore vertically a hole through the centre of a sphere of radius r2.
a residential development is proposed in the eastern part of new territories hong kong. the development consists of 5
the system shown starts from rest and each component moves with a constant acceleration. if the relative acceleration
a disk has a mass of 4kg and a radius of 90mm, it is at rest when it is placed in contact with the belt, which moves with a constat speed (v =15m/s). knowing that friction is .25 between the disk and the belt. Determine the number of revolution by..
What is the temperature 7 cm from the base if the rod is made of a) pure zinc b) lead c) pure gold. Which will be the hottest at this point?
Calculate the specific heat capacities of the gas at constant volume and constant pressure, the initial pressure of the gas and the change in volume of the gas when it was heated at constant pressure.
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