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Q. Even as exploring a sunken ocean liner, principal researcher found the absolute pressure on the robot observation submarine at the level of the ship to be about 413 atmospheres. The density of seawater is 1025kg/m^3.
i.) calculate the gauge pressure p_g on the sunken ocean liner. ii.) Calculate the depth D of the sunken ocean liner. iii.) Calculate magnitude F of the force due to the water on a viewing port of the submarine at this depth if the viewing port has a surface area of 0.0100 m^2. Suppose that the ocean liner came to rest at the surface of the ocean before it started to sink. Due to the resistance of the seawater, the sinking ocean liner then reached a terminal velocity of 10.0 m/s after falling for 30s. iv.) Find out the magnitude a of the average acceleration of the ocean liner during this period of time. v.) assume the acceleration was constant; calculate the distance d below the surface at which the ocean liner reached this terminal velocity. vi.) Determine the time t it took the ocean liner to sink from the surface to the bottom of the ocean.
Inertia and torque of the rotating bodies.
In a physics laboratory experiment, a coil with 200 turns enclosing an area of 12.0 cm^2 is rotated from a position where its plane is perpendicular to the earth's magnetic field to one where its plane is parallel to field.
define How fast are the waves moving.
A 100g wire is held under a tension of 250N with one end at x = 0 and other x = 10m. At time t = 0, pulse 1 is sent along the wire from the end at x = 10 m. At time t = 30 ms, pulse 2 is sent along the wire from the x = 0. At what position x do the..
Because the mass would not make it around the loop if released from the height of the top of the loop (do you know why?) it should be released above the top of the loop-the-loop height.
The energy of a simple harmonic oscillator could be doubled by increasing the amplitude by a factor of approximately
A spring has a force constant of 931N/m and an unstretched length of 8 cm. One end is attached to a post that is free to rotate in the center of a smooth table.
explain What is the magnitude of the electric field next to the sheet.
Heat is extracted from a certain quantity of steam at 100 degrees celsius. Thus the steam changes into ice at 0 degrees celsius. If this energy were used to accelerate the ice from rest, what would be the linear speed of the ice.
35 kg girl is bouncing on a trampoline. Throughout a certain interval after leaving the surface of the trampoline, her kinetic energy decreases to 170 J from 470 J. How high does she rise during this interval? Avoid air resistance.
What is the minimum pressing force that must be used.
An electron moves in the positive x-direction a distance of 2.38 m in 2.95 x10-8 s, bounces off a moving proton, and then moves in the opposite direction a distance of 1.63m in 3.53x 10-8 s.
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