A tsunami is . A. a sea wave generated by an earthquake, landslide, or meteor impact that may destroy coastal cities thousands of kilometers from its source B. a sloshing of water back and forth within a lake or a bay C. a wave caused by unusually large tidal forces D. the tendency of wet, clay-rich soils to behave like a liquid during an earthquake

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

Which type of energy would have nothing to do with ironing clothes? a. heat b. chemical c. electrical d. mechanical

Uranium has two naturally occurring isotopes. 238u has a natural abundance of 99.3% and 235u has an abundance of 0.7%. it is the rarer 235u that is needed for nuclear reactors. the isotopes are separated by forming uranium hexafluoride uf6, which is a gas, then allowing it to diffuse through a series of porous membranes. 235uf6 has a slightly larger rms speed than 238uf6 and diffuses slightly faster. many repetitions of this procedure gradually separate the two isotopes. what is the ratio of the rms speed of 235uf6 to that of 238uf6? express your answer to five significant figures.