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Tsunamis are fast-moving waves often generated by underwater earthquakes. In the deep ocean their amplitude is barely noticable, but upon reaching shore, they can rise up to the astonishing height of a six-story building. One tsunami, generated off the Aleutian islands in Alaska, had a wavelength of 827 km and traveled a distance of 3160 km in 6.47 h. (a) What was the speed (in m/s) of the wave? For reference, the speed of a 747 jetliner is about 250 m/s. Find the wave's (b) frequency and (c) period.
Bob can throw a 460 g rock with a speed of 32 m/s. What is Bob's maximum power output as he throws the rock in kW
The earth orbits the sun once per year at the distance of 1.50 x 1011 m. Venus orbits the sun at a distance of 1.08 x 1011 m. How long (in earth days) does it take for Venus to make one orbit around the sun
A 100g of mass on a spring undergoes Simple Harmonic Motion with amplitude of 25 cm. What is the maximum acceleration of the object
if the temperature of a person needs to be cooled by 9 degrees and the mass of the person is 61.6kg. how much heat is
A steel wire with mass 22.3 g and length 1.08 m is strung on a bass so that the distance from the nut to the bridge is 1.10 m. Compute the linear density of the string
A 8.00-cm-long wire is pulled along a U-shaped conducting rail in a perpendicular magnetic field. How big is the pulling force
A rotating cylinder about 16 {rm km} long and 6.8 km in diameter is designed to be used as a space colony. With what angular speed should it rotate so that the residents on it will experience the same acceleration due to gravity as on Earth.
What is the maximum torque on a 150-turn circular coil of radius 0.7 cm that carries a current of 1.1 mA and resides in a uniform magnetic field of 0.15 T? Answer in units of N middot m
A horizontal beam of electrons initially moving at 4.0x10^7 m/s is deflected vertically by the vertical electric feild between oppositely charged parallel plates. the magnitude of the field is 2x10^4N/C. What is the verticle deflection d of the el..
Assume that electron-hole pairs are injected into n-type GaAs (Eg = 1.42 eV, mc = O.O7m0, mv= 0.5m0,) at a rate R = 1O^23 per cm3 per second. The thermal equilibrium concentration of electrons is n0 = 10^16 cm^3. If the recombination coefficient r..
What is the total contact force on the log by ropes 1 and 2 combined? (e) First give the magnitude of the N-S component of the combined contact forces of ropes 1 and 2. You have to decide for yourself if this combined component points North or Sou..
q1. what is the electric field strength at the point in space where a proton m1.67x10 -27 kg experiences an
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