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Steam enters a nozzle operating at steady state with p = 40 bar and T =400oC, and a velocity of 10 m/s. The steam flows through the nozzle with negligible heat transfer and no significant change in potential energy. At the exit, p2 = 15 bar and the velocity is 605 m/s. The mass flow rate is 2 kg/s. Determine the exit area of the nozzle.
A statue is found in an Archaelogical dig. Its weight is measured to be 96 lb and its volume 0.08ft3. What is the statues weight density
q1. a circular loop of radius 11 cm lies in the plane of the paper. a constant magnetic field of 250 mt is directed
A rectangular metal block is 0.6 m long, 0.2 m wide, and 0.1 m tall. The block weighs 270 N. What is the density of the fluid
consider a system consisting of 3 charges. a 1 c charge is located at x 0 a 2 c charge is located at x 2 cm and -1 c
A 2.0kg wood block is launched up a wooden ramp that is inclined at a 35? angle. What vertical height does the block reach above its starting point
what is a catapult ? what is the traditional use of a catapult ? when were catapults in greatest use ? what
One of the contests at the school carnival is to throw a spear at an underwater target lying flat on the bottom of a pool. The water is 1.2 m deep. At what angle below horizontal should you throw the spear in order to hit the target
find out the speed with which the pebble strikes the ground when the pebble is fired (a) horizontally, (b) vertically straight up, and (c) vertically straight down
A magician pulls a tablecloth from under a 200 g mug located 30.0 cm from the edge of the cloth. The cloth exerts a friction force of 0.100 N on the mug, and the cloth is pulled with a constant acceleration of 2.90 m/s2
given heat 1000 j is input to a carnot engine at 300 degrees celsius and waste heat rejected at 10 degrees C. find the thermal efficiency of the engine and the work performed
The center of mass for a 1 meter stick is at 49.7cm when placed on an fulcrum. Calculate the net clockwise torque on the meter stick
A mail bag with a mass of 100kg is suspended by a vertical rope of length 8.00m. What horizontal force is necessary to hold the bag in a position displaced sideways a distance 1.00m from its initial position
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