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Figure P15.49 shows a planetary train with double planets, two suns, and no ring gear. Planets P1 and P2 are made together from the same piece of metal, and have 40 and 32 teeth, respectively. Sun S1 is the input member, and has 30 teeth. Sun S2 is fixed. All gears have the same pitch. For each clockwise revolution of S1, what is the motion of the arm?
A 20 hp pump with 80% efficiency is used to pump water through a Schedule 40 3-inch pipe made of commercial steel. The pipe outlet is at a gage pressure of 100 psi, and is 350 feet above the inlet, which is at ambient pressure. The total pipe length ..
an electric motor operating at steady state draws a current of 10amps with a voltage of 220v. the output shaft power
two 20mm steel plates are welded to a rolled S section as shown. Determine the moments of inertia and the radii of gyration of the combined section with respect to the centroidal x and y axes.
a pendulum consisting of a bob of mass m is suspended from a massless inextensible string of length l in a viscous
As part of a super-critical extraction of coal, an initially evacuated cylinder is fed with steam from a line available at 20 mPa and 400 degrees C. What is the temperature in the cylinder immediately after filling? (Answer to problem is 454 degrees ..
consider a 10 m length of 2 cm-i.d. tube. what is the average heat transfer coefficient and pressure gradient inside
find the fourier coefficient for a pulse wave with an amplitude of 30n a duty cycle of 0.5 seconds and a period of t2
Both the air and the water are at 20°C. At what speed should they run the water in the water tunnel, and at what rpm should they spin their
a 60 cm wide conveyer belt is driven over a 2mm film of water. determine the resultant force required to keep the belt
When the weight is initially pulled downward a distance of 10 cm from its static equilibrium position and released, it comes to rest after exactly two complete cycles. Find the magnitude of the damping force.
The solid sili- con powder is at Tsi,i = 298 K, and the solid silicon sheet exits the chamber at Tsi,o = 420 K. Both the surroundings and ambient temperatures are T00 = Tsur = 298 K.
an aircraft is in level flight at 225 kmhr through air at standard conditions. the lift coefficient at this speed is
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