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1.Even though steel is about 7 to 8 times denser than water, a steel paper clip or razor blade can be made to float on water! Explain and discuss. Predict what would happen if you mix some soap with the water
2.Calc the max capillary rise of water between 2 verticle glass plates spaced .25mm apart and the minimum capillary drop if the same plates are placed .25mm apart are in mercury.
3.What is the weight of the gate per meter of length?
4.An 800 ft ship has a displacement of 35,000 tons, and the area defined by the waterline is 38,000 ft^2. Will the ship take more or less draft when streaming from salt water to fresh water? How much will it settle or rise?
q1. briefly explain the purpose of the international space station and list the name of all space agencies involved in
you purchased an old machine at the beginning of this year.maintanance on this old machine will be 100$ at the end of this year but is expected to increase by $25 each year after. what is the present worth of five years of the cost of maintanance
The aluminium wire has a radius of 1.1mm. What must be the radius of the steel wire if it is to stretch the same distance as the aluminium wire, so that the two wires maintain equal lengths after the masses are attached?
beam is 24 inch deep, the steel stirrup used is number 4,a 1 1/2 inch. concrete cover on both sides. Sketch how you will place the bars and calculate the location of the effective depth.
An overpass is being built over the PVI of an existing equal tangent sag curve. The sag curve has a 70 mi/h design speed, and G1 = -6%, G2 = +3%.
A commuter train has stations spaced 1 mi apart. The top speed of the train is 80 mph. The train accelerates at 5.5ft/sec2 and decelerates at 4.5 ft/sec2. It dwells at the platform for 20 sec to pick up passengers.
CALCULATE THE REQUIRED DIAMETER OF STEEL TIE RODS NECESSARY TO SUPPORT A BALCONY. EACH ROD, SUSPENDED FROM A ROOF TRUSS, SUPPORTS A FLOOR AREA OF 7.0m^2. THE COMBINED BALCONT FLOOR LOAD IS 10.5 kPa
If the initial concentration of parathion in the runoff from the agricultural field is 3 ppb, the velocity of the river is 2.3 miles/day, how many days will the fish hatchery have to contain river water in holding tanks until the parathion concent..
A cyclist is riding along a 25 mph and begins to coast just before encountering a hill with a 6% grade. How far up the hill can she coast before coming to a stop? Ignore air resistance and rolling friction.
during construction of the surface layer of asphalt pavement, two samples where taken everyday to measure the asphalt content in the mix to ensure that it is within the specification limits. the target value was set at 5.5 percent with a tolerance..
Determine how many years from now the consumption will reach its design capacity with current usage rates if the community has a declining growth rate.
what is the significance of the (a) compressive strength of concrete, (b) splitting tensile strength, and (c) flexural strength of concrete
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