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An earthquake emits both S waves and P waves which travel at different speeds through the Earth. A P wave travel 9000 m/sec and an S wave travels at 5000 m/sec. If P waves are received at a seismic station 1 minute before an S wave arrives, how far to the earthquake center?
A 1.5-m-long glass tube, closed at one end,is weighed and lowered to the bottom of a fresh-water lake. Determine the depth of the lake
A typical AAA battery has stored energy of about 3400 J. (Battery capacity is typically listed as 625 mA h, Assuming that the potential difference across the capacitor is 1.5 V, what must the area of each plate be
The spin cycles of a washing machine have two angular speeds, 450rev/min and 623rev/min . The internal diameter of the drum is 0.570m, Find the laundry's maximum tangential speed
A source emits sound uniformly in all directions. A radialline is drawn from this source. On this line, determine the radialpositions of two points, 1.28 m apart, such that the intensitylevel at one point is 2.46 dB greater than that at the other.
A pendulum consists of a 3.7 kg stone swinging on a 4.4 m string of negligible mass. The stone has a speed of 8.2 m/s when it passes its lowest point. What is the greatest angle with the vertical that the string will reach during the stone's motion
a laser emits at 424nm in a single pulse that lasts .500 x10-6s. the power of the pulse is 2.80 mw. if we assume that
The deepest place in all the oceans is the Marianas Trench, where the depth is 10.9 km and the pressure is 1.10x10^8 Pa. by how much does its volume decrease
A dipole is centered at the origin and has charges q and -q located at z=l/2 and z=-l/2, respectively. Find the electric field at position r along the z axis and also at position r along the x-axis
A circus performer stretches a tightrope between two towers. He strikes one end of the rope and sends a wave along it toward the other tower. find the tension in the tightrope
A 30nC charged particle and a 50nC charged particle are near each other. what is the magnitude of the electric field at its original position
a mountanier uses a global positioning system reciever to measure his displacement from base camp to the top of mount mckinely. what is the displacement in going from base camp to the top
a kid plays with a yo-yo of mass 125 g and twirls it in a vertical circle. the lneght of the string is 90.0 cm. the kid
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