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When an earthquake occurs, two types of sound waves are generated and travel through the earth. The primary, or P, wave has a speed of about 6.0 km/s and the secondary, or S, wave has a speed of about 2.0 km/s. A seismograph, located some distance away, records the arrival of the P wave and then, 190 second later, records the arrival of the S wave. Suppose that the waves travel in a straight line, find how far is the seismograph from the earthquake?
A string with a mass m = 9.00 g and a length L = 4.00 m has one end attached to a wall; the other end is draped over a small, fixed pulley a distance d = 3.00 m from the wall and attached to a hanging object with a mass M = 8.00 kg as in the figu..
an object of mass m=3.1g and charge q=+48 is attached to a string, find the magnitude of the electric field and the tension in the string
A satellite weighing 500 kg is in a circular orbit around the earth. It takes exactly 3 hours to go around the earth. what is the force of gravity on this satellite
What is the resolving power of the objective if it is used in an oil-immersion microscope with n oil = 1.45
A solenoid is to have an inductance of 0.295 mH, a cross-sectional area of 5.91 x 10-4 m2, and a length of 34.9 cm. How many turns per unit length should it have
The infamous chicken is dashing toward home plate with a speed of 5.70 m/s when he decides to hit the dirt. The chicken slides for 1 s, just reaching plate as he stops (safe, of course).
a coaxial cable has an inner wire of radius 0.3 mm. with a linear charge density of 4.4e-08 c.m. surrounded by a
A thin glass (n = 1.47)converging lens for which the radii of curvatureare R1 = 15.0 cmand R2 = -13 cm. Determine the area of this image
a laser beam with a wavelength of 632.8 nm is directed from air into plastic which has an index of refraction of
A long pair of wires conducts 28.10 A of dc current to, and from, an instrument. If insulated wires are of negligible diameter but are 2.8 mm apart, what is the magnetic field d = 11.2 cm from their midpoint, in their plane.
A mass of 2 kg is attached to a spring with spring constant k=100 N/m. What is the period of oscillation for the mass
Two long, parallel wires separated by 4.50 cm carry currents in opposite directions. The current in one wire is 1.20 A, and the current in the other is 3.45 A. Is the force attractive or repulsive
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