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A test rocket is fired vertically from a launching pad at B. When the rocket is at P the angle of elevation ion is θ=47.0°, and 0.5 s later it is θ = 48.0° . Knowing that b = 4 km, determine approximately the speed of the rocket during the 0.5-s interval.
A piston-cylinder filled with air receives 10 kJ of heat and expands, doing 5 kJ of work. What is the change in internal energy of the air?
a projectile is launched with a speed v0 27.0 ms from the floor of a 4.3-m-high tunnel as shown. determine the maximum
Problem 1: The triangular block shown has three separate couples applied to its surface. Find: If the sum of all three sets of couples acting on the triangular block is to be zero, determine the magnitude of forces F and P.
air enters a nozzle at 0.5 mpa 420 k and a velocity of 110ms. approximating the flow as isentropic determine the
Find the diameter of a pipe to convey the superheated steam flowing into the mixing process if the speed of the steam is 20m/s and also ascertain the condition of the resulting mixture.
imagine a thin cylinder of initial internal diameter do initial wall thickness to and initial fixed length fixed by two
Show the principle stresses on the neutral axis on a correctly oriented element relative to the axis of the beam.
Estimate the energy that must have been supplied to cause the specimen to reach failure.
in an ice-making plant water at 0degc is frozen at atmosphere pressure 333.7 kjkg of heat is removed from water per
consider two flat plates seperated by a distance of 0.25 in. in this application castor oil is used as a lubricant. the
in many countries in south america chunks of cassava root containing 65 percent water are dried to 5 percent water then
Consider combustion of hydrogen in pure oxygen under constant pressure in a two-inlet and single-exit reactor. The reactants enter the reactor at temperature T1 = 200 K. The products leave the reactor at temperature T2 = 2000 K. No work is developed ..
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