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The man pulls the boy up to the tree limb by walking backward. If he starts from rest when = 0 and moves backward with a constant acceleration = 0.2 , determine the speed of the boy at the instant = 4 . Neglect the size of the limb. When = 0, = 8 so that and are coincident, i. e., the rope is 16 long.
If the chest is completely filled with ice, calculate the time for the ice to completely melt. State your assumptions. The enthalpy of fusion for water is 330 kJ/kg.
What is the discharge revised discharge pressure of the compressor.
Assume that viscous effects are negligible Plot this data using appropriate dimensionless groups
Estimate the blood pressure in each branch, assuming that blood vessels behave as rigid tubes, that we have frictionless flow, and that the vessel lies in the horizontal plane. What is the force generated at the branch by the blood? You may approx..
Determine the velocity of the airplane required for pilot to experience weightlessness at the top of the circular path.
Tensile force formulas, A cylindrical steel beam is 2 inches diameter and 6 feet long. The modulus of elasticity is 30 x 1,000,000 psi. If the beam is subjected to a tensile force of 1000 lbs, what will be the resulting unit strain?
A plane can fly 299 mph in still air. If it can fly 180 miles downwind in the same amount of time it can fly 119 miles upwind, find the velocity of the wind.
steam turbine expands steam reversibly and adiabatically from 4Mpa,300C to 50C turbine exit. determine the work per kg of steam.
the air velocity in a duct is measured by a Pitot-static probe connected to a differential pressure gage. if the air is at 13.4 psia absolute and 70 degrees C and the reading of the differential pressure gage is 0.15 psi, determine the air velocit..
A Pitot tube measures the total pressure on an airplane flying at sea level as 1.07 x 10^5 N/m^2. What is the velocity of the airplane?
SEM212 - Aim of this demonstration is to use measurements of the load required to propagate a crack (tear) in packaging tape to determine its fracture toughness.
why is the carnot cycle not suitable as an ideal cycle for all the power producing devices ?
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