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The Great Molasses Flood on the afternoon of January 15, 1919, an unusually warm day in Boston, a 27.4-m-high, 27.4-m-diameter cylindrical metal tank used for storing molasses ruptured. Molasses flooded into the streets in a 9-m-deep stream, killing pedestrians and horses, and knocking down buildings. The molasses had a density of 1600 kg/m'. If the tank was full before the accident, what was the total outward force the molasses exerted on its sides? (Hint: Consider the outward force on a circular ring of the tank wall of width Dy and at a depth y below the surface. Integrate to find the total outward force. Assume that before the tank ruptured, the pressure at the surface of the molasses was equal to the air pressure outside the tank.)
A 9 kg hammer strikes a nail at avelocity of 8.9 m/s and comes to restin a time interval of 8.0 ms. What is the impulse given to the nail
A thin copper wire has a cross-sectional diameter 1mm and a length 0f 30 cm. Find the wire in grams. In what units does the measurement caliper measure
A soccer ball is kicked from the ground with an initial speed of 14.5m/s m/s. After 0.263s s its speed is 12.9m/s. calculate the ball's initial direction of motion
The systems shown below are in equilibrium with m = 6.10 kg and θ = 35.0°. If the spring scales are calibrated in newtons, what do they read? Ignore the masses of the pulleys and strings and assume the pulleys and the incline are frictionless.
A 1.7 kg object oscillates with simple harmonic motion on a spring of force constant 480.0 N/m. The maximum speed is 1.0 m/s. What is the total energy of the object and the spring
three capacitor , with capacitance of c1=4.0mf,c2=3.0mf ,c3=2.0mf , are connected to a 24v source (c1 is in series with c2 but c2 and c3 are in parallel, what is the equivalent capacitance of the three capacitors
In decay process the ß as a kinetic energy of 0.95MeV, and the neutrino energy is 0.35MeV. find the disintegration energy
You leave a 80W light bulb on for 8 hours in the day. How much energy has been used in joules
Steams flows through an adiabatic turbine with a mass flow rate of 4.5 kg/sec, 500 degrees Celsius and 6 MPa. Calculate power output from the adiabatic turbine
A certain kind of glass has nblue = 1.62 for blue light and nred = 1.572 for red light. what is the angle between the red and blue light inside the glass
a 1kg object falls form a height h240m with initial velocity of 14ms penetrating into sand a distance of .2m. find the
A magnifier used for reading small print is shaped like a hemisphere 2 centimeter in radius, located on top of a cylinder of the same radius and 2 centimeter tall. Find where does the image of the print paper appear to be
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