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As shown, a 130 lb bungee jumper wants to jump from the top of a 655 ft high bridge and be able to just touch the water below. Given that the bungee cord has a spring constant of 2.33 lb/ft, what should the bungee cord's relaxed length, l, be for this jump?
What should the diameter of the nozzle outlet be in inches and what is the mass flow rate of steam through the nozzle in lbm/min?
Water drips at the rate of 5 drops per second from a leaking tap. Determine the vertical distance between two consecutive drops after the lower drop has attained a velocity of 3 m/s.
A rigid tank with a volum of 2.5m^3 contains 5kg of saturated liquid-vapor mixture of water at 75deg C. Now the water is slowly heated. Determine the temperature at which the liquid in the tank is completely vaporized
a curved nozzle assembly that discharges water to the atmosphere is shown. The nozzle mass is 4.5 kg and its internal volume is 0.002 m^3. The fluid is water. determine the reaction force exerted by the nozzle on the coupling to the inlet pipe.
Calculating temperature, water evaporation, and heat in a power plant cooling situation. In a nuclear power plant the cooling tower system must be run on a closed cycle.
a stone is dropped into a lake causing circular waves whos radii increase at a contant rate of .5 m/s at what rate is the circumference of a wave changing when its radius is 4 meters?
Show how did you do the maintenance during your workshop
The maximum flow past a circular cylinder is 2 X the Up stream velocity. The max velocity occurs at the center line of the top of the cylinder.
what is the velocity of the cart when the bullet becomes embedded int he terget? during the firing, the man remains at the same position on the cart. neglect rolling resistance of the cart.
Refrigerant 134a enters a heat exchanger in a steady state refrigeration system as saturated vapor at 0 °F and exits at 20 °F with no change in pressure.
determine the force exerted by each cylinder in raising the crate for u = 60°, a 5 0.70 m, and L = 3.20 m. Show that the result obtained is independent of the distance d.
Steam at 10bar and 0.95 dry flows at 130 m/sec in a pipe. It is throttled to 8 bar and the flow rate is 12 kg/sec. Assuming velocity in the pipe on the down stream side of the valve is 160 m/sec. Find the final condition of steam and the pipe diam..
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