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A 50-ft-long aluminum gutter (Manning coefficient n = 0.011) on a section of a roof is to handle a flowrate of 0.15 ft3/s during a heavy rainstorm. The cross section of the gutter is shown in Fig. P10.92. Determine the vertical distance that this gutter must be pitched (i.e., the difference in elevation between the two ends of the gutter) so that the water does not overflow the gutter. Assume uniform depth channel flow.
A reflecting telescope has a main mirror with fM = 540 mm. If an eyepiece with a magnification of 5 is used, what is the total magnification of the telescope
To recharge a 10 V battery, a battery charger must move 3.7 105 C of charge from the negative terminal to the positive terminal. How much work is done by the charger
The coil shown in the figure below is wound across a solenoid that produces a magnetic field given by B = (4.0 + (3.0 s^2)t^2) Tesla. The solenoid has a cross-sectional area of 0.20 m2, What is the direction of the induced current in the resistor?
A thin film having an index of refraction of 1.50 is surrounded by air. It is illuminated normally by white light. What is the thickness of the film
A horizontal force of magnitude F = 149 N is used to push a box of mass m = 5 kg from rest a distance d = 13 m up a frictionless incline with a slope q = 22°. How much work is done by the force on the box
Radio waves travel at a speed of 1.7 x 108 m/s through ice. A radio-wave pulse sent into the antarctic ice reflects off the earth at the bottom and returns to the surface in32.9 x 10-6 s.
block 1 has mass m1 = 470 g, block 2 has mass m2 = 510 g, and the pulley is on a frictionless horizontal axle and has radius R = 5.2 cm. What is the pulley's rotational inertia
The ground-state wavefuntion of a hydrogen atom is Y=(1/((pi)a^3))^(1/2)*e^(-r/a) where a=bohr radius. a) calculate probability that the electron will be found within a small sphere of radius 1pm on the nucleus. b) no what if the sphere is at r=a. Wh..
A 0.750 kg sample of water is initially ice at temperature -20°C. What is the sample's entropy change if its temperature is increased to 50°C?
Given a metal which has a coefficient of volume expansion given by B(T) = 8.0x10^-6 K^-1 + (1.2x10^-8 K^-2)T caluclate the work done by this is obaric process
The speed of object at displacement x = 20 m. The change in the momentum of the object at it is displaced from x = 12 to x = 20 m.
In some Rutherford scattering experiments, the alpha particles had kinetic energies of 7.7MeV
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