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A small block of ice is at 0 degrees celcius is subjected to 10g of 100 degrees celcius steam and melts completley. Show that the mass of the block of ice can be no more than 80 grams.
Steam enters a compressor at p1= 6 bar, T1= 300 oC and exits at p2= 10 bar. The work on the system is measured as 200 kJ per kg of water vapor flowing. Determine the isentropic turbine efficiency.
In a ballistics test, a 23-g bullet travelling horizontally at 1300 m/s goes through a 40.0 cm-thick 450-kg stationary target and emerges with a speed of 900m/s. The target is free to slide on a smooth horizontal surface.
A diffraction grating has 1380 lines/mm. You desire to detect two sodium lines at 589.0 nm and 589.6 nm with a detector. how far away should the dectector be placed from the grating
From the top of a 70m building, you throw a ball straight up at 6m/s. The ball misses the building on the way down. what is the maximum height of the ball
You are given a wooden rod 70 cm long and asked to drill a small diameter hole in it so that when pivoted about the the hole the period of the pendulum will be a minimum. How far from the center should you drill the hole
for n2 at 25oc and 1.00 atm calculate the number of collisions per second made by one molecule the number of collisions
the cm of an empty 1250 kg car is 2.30 m behind the front of the car. how far from the front of the car will the cm be
Three point charges are placed at the corners of an isosceles triangle. At the left and right end points of the base are 6 micro coulomb and 6 micro coulombrespectively, What is the magnitude of the electric field at the midpoint of the baseline
Two identical mandolin strings under 200 N of tension aresounding tones with frequencies of 523 Hz. How many beats per second are heard
A pole vaulter is running with a 2.5 kg carbon pole that is 4.5 meters long, holding it level to the ground. Calculate the forces that must be exerted by each of the two hands
An elderly sailor is shipwrecked on a desert island but manages to save his eyeglasses. How far apart are the lenses when the telescope is adjusted for minimum eyestrain
a calculate the shear modulus g of 1040 carbon steel.b using the shear modulus value calculated above calculate the
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