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A copper (Cu) weight is placed on top of a 0.50-kg block of wood (density = 0.60 X 103 kg/m3) floating in water, as mass of the copper if the top of the wood block is exactly at the water's surface?
Calculate the maximum bending stress at mid-span, and, for the same section, locate the neutral axis. Neglect the weight of the beam
a ball is shot vertically into the air 50 m/s 108m from the ground. 6 seconds later, another ball is shot vertically into the air 20 m/s 58m from the ground. Find the distance where they meet in the air from the ground.
on the moon the gravitational acceleration is approximately one-sixth that on the surface of the earth. a 5-kg mass is
A crate of mass 10kg is placed on a ramp elevated at 30 degrees from the horizontal. The ramp is 2m long. The coefficient of static friction is .4 and coefficient of kinetic friction is .3. At the low end of the ramp and oriented parallel to it is a ..
4 kW motor is driving an oil pump with an efficiency of 95% in a 10 mm diameter pipe. If the velocities of the fluid in the pipe is 1.8 m/s. What is the flow rate that the pump delivers?
A rigid, insulated tank that is initially evacuated is connected through a valve to a supply line that carries steam at 4 MPa. Now the valve is opened, and steam is allowed to flow into the tank until the pressure reaches 4 MPa, at which point the va..
a storage tank for carbon tetrachloride is 2.0 feet in diameter and 6.0 feet high. if the chemical has a specific
aluminum oxide al2o3 has a surface energy of 1 jm2 estimate the maximum amount of energy jg that is available for
a. consider a general water splitting system water-in h2- out o2- out. draw a schematic of this system idntifying all
The effect on temperature and density of air under adiabatic compression, Air is going through a compressor
Superheated steam enters one section of an open end feed water heater at 5bar and 240 c with a mass flow rate of 1 kg/s. compressed liquid water at the same pressure and 35 C enters another inlet. The mixture of these two streams leaves as a saturate..
an inventor claims to have perfected an engine which will produce power from energy transferred as heat from a 1300 k
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