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1. Water flows at a depth of 40 cm in a 100-cm-diameter storm sewer. Calculate the flow rate and the mass flux if the average velocity is 3 m=s.
2. Air at 25-C and 240 kPa flows in a 10-cm-diameter pipe at 40 m=s. What are the flow rate and the mass flux in the pipe? (Recall that pressures are always gauge pressures unless stated otherwise.)
A double-slit experiment is set up using a helium-neon laser (?=633nm). Then a very thin piece of glass (n=1.50) is placed over one of the slits. How thick is the glass
The electrical field within a continuous distribution of charge is given by the equation E= cxi+cyj+czk, Write the equation for E in terms of the position vector r
The velocity graph of a car accelerating from rest to a speed of 60 km/h over a period of 30 seconds is shown. Approximation the distance, d travelled throughout this period.
A gas is compressed at a constant pressure of 0.800atm from9.00 L to 2.00 L. In the process, 400 J of energy leaves the gas by heat. What is the change in its internal energy
Find the buoyant force acting on the He balloon. The volume of the balloon might be calculated from the following. The balloon has a shape of a sphere with the diameter of 10 m. How many more mass may the balloon lift
Two blocks are free to slide along the frictionless wooden track shown below. The block of mass m1 = 5.02 kg is released from the position shown, Calculate the maximum height to which m1 rises after the elastic collision
Studies have shown that some people can detect 577 nm light with as few as 100 photons enteringthe eye per second. What is the power delivered by such a beam of light
A student throws a 100g snowball at 7.5m/s at the side of the schoolhouse, where it hits and sticks. What is the magnitude of the average force on the wall
Two sinusoidal waves of the same period, with amplitudes of 8.0 and 11.0 mm, travel in the same direction along a stretched string; they produce a resultant wave with amplitude of 16.952 mm. The phase constant of the 8.0 mm wave is 0. What is the pha..
Draw a velocity-time graph for the motion and find acceleration of particle when travelling from A to B
A simple pendulum has a length of 0.80 m and a bob of mass 0.20 kg. It is initially displaced to an angle of 18 degrees from the vertical, What angle does it make with the vertical
The electric flux through each face of a 5.00mx 5.00m x 5.00m cube is 130Nm^2/C. How much charge is inside the cube
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