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Macaroni and cheese packages specify how long to cook the pasta in boiling water. In general, foods that are cooked at lower temperatures need longer cooking times. On some packages, a longer leng
The ends of two thin glass tubes are stuck in the same pool of water. Though both tubes are thin, one tube has a smaller inside diameter (Tube 1) than the other (Tube 2). Both tubes are made of th
Inspection of a section of pipe reveals that the inside diameter is half the original value and the equivalent sand roughness Ks has increased from 0.2 mm to 1 mm. describe how these conditions woul
A diver is planning to salvage a Spanish galleon located in 200 feet of water. He plans to use a diving suit that will be supplied with air from a hose (suppose this to be amply sized) connected to
The owner wants to employ the similar pump to pump orange juice (S.G. 1.1). Explain how this change in fluid will affect: a) the rate of flow, b) pressure at the pump discharge, c) the energy requir
A Norwich MCE student is involved in a crucial out of class experiment. He is in his dorm room 34 feet above an historic rock wall. He thinks it may soon snow since his barometer reads 29.5 inches o
A manufacturer has come up with a new design for a globe valve. He has asked you to test the valve to conclude a value for the valve minor loss coefficient K while the valve is fully open. Explain h
If you had been tasked to remove the water from New Orleans after Hurricane Katrina would you select a radial flow, mixed flow or axial flow pump for this purpose? Explain your choice.
A typical amateur telescope is 7 inches in diameter, while the telescope we are installing at CSU Stanislaus is 21 inches in diameter. How much more sensitive is the CSU telescope than a typical ama
A star is found which radiates most of its energy at the wavelength of 1,000 nm. What is the temperature of surface of that star.
Water (50°F) flows at 250 gpm through the pipe system at the bottom of this page. All piping is four inch (4") diameter cast iron. The distance between points A and B along the open flow path i
A town is installing a new 10" main to carry drinking water. The only section remaining to be installed is a segment throughout the middle of town. Though, the excavators discover an archaeological
Determining diameter of a ball floating in a freshwater pond.What is the diameter of the ball.
The U-tube manometer shown to the right is used to measure the exact weight of a liquid. The manometer tube has an internal diameter of 0.5cm and it is initially filled with water.
How much force is required to keep it sliding. The coefficients of static and kinetic frictions for plastic on wood are 0.50 and 0.40, correspondingly.
What is the force required to keep it moving. Find force necessary to move an object.
An object slides on the level surface in the +x direction. It shows and comes to a stop with a constant acceleration of -2.45m/s2. What is the coefficient of kinetic friction between the object and
A 10 kg box sitting on a horizontal surface is pulled by the 5N force. A 3N friction force retards the motion. What is an acceleration of the object.
Throughout the investigation of a traffic accident, police find skid marks 90m long. They determine the coefficient of friction between the cars tries and the roadway to be 0.50 for the prevailing c
A car leaves a skid mark 120 feet long on wet pavement with a measured drag factor of 0.05. What was the speed of the car when the brakes were applied.
A drag sled made for a tire weighs 45 lbs. a spring scales measures a force of 36lbs that is needed to pull the sled at a steady speed. What is the drag factor of the road at this location.
Mattwe pulls his little sister sarah in a sled on the icy surface, with a force of 60 N at an angle of 37 ° upward from the horizontal. If he pulls her a distance of 12 m, what is the work compl
An 8000 lb truck is lifted 6 feet off another vehicle in 3 minutes.Find out the power required by an object to lift another object.
An object moves with a constant velocity of 20 m/s on a circular track of radius 10m. What is the acceleration of an object.
A 175 kg ball on the end of a string is revolving uniformly in a horizontal circle of radius 0.500m. The ball makes 2 revolutions in a second.