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1. The deepest known point in the ocean is 11,034 m in the Mariana Trench in the Pacific. Assuming sea water to have a constant density of 1050 kg/m3, determine the pressure at this point in atmospheres.
2. Determine the depth change to cause a pressure increase of 1 atm for (a) water, (b) sea water (SG = 1.0250), and (c) mercury (SG = 13.6).
A car with mass 1000kg traveling east at 25 (m/s) runs straight into a truck with mass 1500kg traveling west at 10 (m/s). How far do the vehicles slide
A guitar string is 90 cm long and has a mass of 3.6g . The distance from the bridge to the support post is L=62cm, What is the fundamental frequency of this string
A cubic box with sides of 20 cm contains 2 x 1023 molecules of helium with a rms speed of 200m/s. The mass of helium is 3.4 x 10-27 kg. What is the average pressure exerted by the molecules
The electron makes a transition from the 1 to 4 level by absorbing a photon. Calculate the wavelength of this photon
If the work function for a metal is 1.8 eV, what would be the stopping potential for light having a wavelength of 400 nm? What would be the maximum velocity of the emitted photoelectrons at the metal's surface?
a point charge of 10 microc is located at x -3.0 cm and a second point charge of -12 microc is located at x 4.0 cm.
A soccer ball is kicked with an initial speed of 28 m/s at an angle of 22° with respect to the horizontal. Find the maximum height reached by the ball
A beam of red laser light (? = 633 nm) hits a black wall andis fully absorbed. If this exerts a total force of F = 5.5 nNon the wall, how many photons per second are hitting the wall
q1. while a roofer is working on a roof that slants at 39.0 degrees above the horizontal he accidentally nudges his
Four point charges are at the corners of a square of side a as shown in the figure below. Determine the magnitude and direction of the resultant electric force on q, with ke, q, and a left in symbolic form. (B = 1q and C = 5q. Let the +x-axis be poin..
A helicopter has blades of length 2.5m, extending out from a central hub and rotating at 4.00 rev/s. If the vertical component of the Earth's magnetic field is 50.0μT, what is the emf induced between the blade tip and the center hub?
A rifle can fire a 4.20-gram bullet at a speed of 965 m/s. How much work is done on the bullet
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