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Equations describing wave dynamics and dispersion are used to deduce the following
1. A wave of period 10s approaching the shore has a height of 1m in deepwater. Calculate (use ?=1.03×103 kg m-3)(a) The wave speed and group speed in deep water =(b) The wave steepness in deep water =(c) The wave power per metre length of crest in deep water =(d) The wave power per metre length of crest in water 2.5 m deep =
The super cooling of water into droplets is described for the scenario below
2. Ice particles and super cooled water droplets exist in the same cloud at a temperature if T = 260 K. The water vapor pressure in the cloud is P h2o = 2.50mb. I have to develop an argument that shows the liquid droplets will tend to evaporate and the ice particles will tend to grow.
Steam is expanded from 12.5 MPa and 900 degrees Celsius to 0.30 MPa, 400 degrees Celsius in an adiabatic turbine. Determine the power output by this turbine
A resistor (R = 900 ?), a capacitor (C = 0.25 µF), and an inductor (L = 2.5 H) are connected in series across a 240 Hz AC source for which ?Vmax = 110 V. calculate the phase angle between the current and voltage
A parallel-plate capacitor has square plates of edgelength 1.8 cm and a platespacing of 0.013 mm. If the gap between the plates is a vacuum, what is the capacitance?
At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. People sit in seats facing the axis, their backs against the outer wall. At one instant the outer wall moves at a speed of 3.54 m/s, and an 69.5-k..
Block A with mass 4 kg travels with speed vi=3 m/s on a smooth horizontal surface and collides with a stationary block B whose mass is 4 kg. How much kinetic energy was lost in the collision
A point mass m starts from rest and slides down the surface of a frictionless solid sphere of radius r. Find the angle at which the mass flies off the sphere
A spherical balloon has a radius of 8.45 m and is filled with helium. How large a cargo can it lift, assuming that the skin and structure of balloon have a mass of 1300 kg? Overlook the bouyant force on the cargo volume itself.
At table tennis ball has a positive charge of 4.50 × 10-8 coulombs. It experiences a force of 2.72 × 10-3 newtons due to an electric field. What is the strength of the electric field?
Demonstrating the low melting point of Gallium metal (29.8°C), an instructor removes a 1.00 kg sample of the metal from a container at room temperature (20.0°C) and places it onto the palm of his hand.
A cannonball is shot (from ground level) with an initial horizontal velocity of 33 m/s and an initial vertical velocity of 24 m/s. How high above the ground is the cannonball 3.3 seconds after it is shot
Which of the following is a reasonable conclusion concerning the difference among the accepted value and the measured value for the acceleration due to gravity near the surface of the Earth?
Two trains, each having a speed of 38 km/h, are headed at each other on the identical straight track. A bird that can fly 70 km/h flies off the front of one train while they are 68 km apart and heads directly for the other train. On reaching other tr..
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