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Compare the terminal velocity of a 10 nanometer particle with a 100 nanometer particle. Which one falls through air faster? What are the approximate speeds of both particles? Use Pg=1.225 Kilogram per cubic meter and 1000 Kilogram per cubic meter.
Find the ratio of the intensities of an earthquake P wave passing through the Earth and detected at two points 17 kilometer and 43 kilometer from the source, Determine what is the ratio of the amplitudes
a microwave oven operates at 2.4 ghz with an intensity inside the oven of 2500 wm2.what is the amplitude of the
A string of 13 identical Christmas tree lights are connected in series to a 127 V source. The string dissipates 63 W. What is the comparable resistance of light string.
An astronomical telescope for hobbyists has an angular magnification of -150. The eyepiece has a focal length of 4.90 mm, About how long is the telescope
A spacecraft approaching the earth launches an exploration vehicle. Find the speed of the exploration vehicle relative to the spaceship
Point charges located at 3, 8, and 11 cm along the x - axis are represented in the figure (at 3cm +q, 8cm -2q, 11cm +q). What is the magnitude of the force on the charge
If a curve with a radius of 87 is perfectly banked for a car traveling 67 , illustrate what must be the coefficient of static friction for a car not to skid when traveling at 84 ?
A submarine sends a sonar signal, which returns from another ship 2.250 s later. How far away is the other ship if the speed of sound in seawater is 1,530.0 m/s
The mean distance between the Earth and the Sun is 1.50×1011 m. The average intensity of solar radiation incident on the upper atmosphere of the Earth is 1390 W/m2, determine the total power radiated by the Sun
An 8.40 gram bullet has a speed of 1.13 km/s. Determine what is its kinetic energy in joules, Determine what is the bullet kinetic energy if its speed is halved
A 5.3kg box is on a frictionless 36^\circ slope and is connected via a massless string over a massless, frictionless pulley to a hanging 1.6kg weight. A- What is the tension in the string if the 5.3kg box is held in place, so that it cannot move? B- ..
A cubical piece of heat-shield tile from the space shuttle measures 0.11 m on a side and has a thermal conductivity of 0.059 J/(s m ·C°). How much heat flows from the outer to the inner surface of the tile in six minutes
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