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A 40g bullet is fired with a horizontal velocity of 600 m/s into the lower end of a slender 7 kg bar of length L=600 mm. Knowing that h= 240 mm and that the bar is initially at rest, determine (a) the angular velocity of the bar immediately after the bullet becomes embedded.
The gases assumed to have the properties of air, enter at 200°C and leave at 93°C. The overall heat transfer coefficient is 180 W/m2 · K, using the effectiveness-NTU method calculate the area of the heat exchanger.
a beam of 2-mev photons with intensity 108 cm-2s-1 irradiates a small sample of water. a how many photons-water
Please use the radiation fundamental and sun’s size to recalculate the sun radiation power and mass loss rate. Please also estimate the radiation reaching the earth!
Analyse the operational characteristics of the current system / component available in the market and future systems yet to come into production. Analyse the effect of the system on the environment and its sustainability.
The yearly average solar flux incident on a horizontal surface in the United States is about 180 W/m2. The average total energy demand in the United States is approximately 100 quads (100 × 1018 ) per year. Assuming an average efficiency of PV cells ..
at steady state a turbine is fed with 2 kgs of steam that has a pressure of 4 mpa and a temperature of 500 c .
a long bar of rectangular cross section 0.4 m x 0.6 m on a side and having a thermal conductivity of 1.5 wm x k is
Two kilograms of Refrigerant134a, initially at 2 bar and occupying a volume of 0.12 m3, undergoes a process at constant pressure until the volume has doubled. Kinetic and potential energy effects are negligible. Determine the work and heat transfe..
fully developed laminar flow occurs in a pipe line. the fluid in the pipeline has a dunamic viscosity of 0.08 nsm2 and
a spring-loaded a toy gun is used to shoot 1 -oz bullets vertically upward. the undeformed length of the spring is 6
The school cafeteria has found that they go through 9 sandwiches for every 6 tickets they sell to the students. Today they have 558 sandwiches available. How many lunch tickets can they sell today?
Is it possible to conduct a valid plane strain fracture toughness test for CrMoV steel alloy under the following conditions: Kic=53 MPa.m^(1/2), sigma(ys)=620 MPa, W=6 cm, and plate thickness t=2.5 cm?
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