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Meteor Crater in Arizona is thought to have been formed by the impact of a meteor with the Earth some 20,000 years ago. The mass of the meteor is estimated at 5 x 1010 kilogram. Its speed is estimated at 7200 m/s. Find what speed would such a meteor give Earth in a head-on collision?
m/s
a very long coaxial cable consists of a solid cylindrical inner conductor of radius 4mm surrounded by an outer
Two closely wound circular coils have the same number of turns, How are the self-inductances of the two coils related
A rectangular wooden block measures 10.0 4.00 2.00 . When the block is placed in water, it floats horizontally, What is the density of the wood
a 15 kg flywheel has all its mass around its outer rim. a string is wrapped around it and a m 3.7 kg weight is hanging
A car travelling east at 41.2 m/s passes a trooper hiding at the roadside. The driver uniformly reduces his speed to 25 m/s in 3.90 s.
Particles approximately 3.0 X 10-2 cm in diameter are tobe scrubbed loose from machine parts in an aqueous ultrasoniccleaning bath. Above what frequency should the bath be operated to produce wavelengths of this size and smaller?
a 2m long uniform bar that weighs 10n is used to hold a 3n sign. a cable is attached to one end of the bar and the
Compute the angular momentum of the earth arising from the following motions Earth's orbital motion around the sun
a 71 tall graduated cylinder is filled with 21 of glycerin density 1260 and 50 of water. find the pressure difference
While in Europe, a tourist hears on the radio that the temperature that day will reach a high of 19C. What is this temperature on the Fahrenheit scale?------F
Water flowing in a horizontal pipe is at a pressure of 1.55 105 Pa at a point where its cross-sectional area is 6.00 m2. Find the water's speed in the wider pipe
Assume a typical hummingbird has a lifespan of 4.00 years and an average heart rate of 1300 beats per minute. Compute the number of times a hummingbird's heart beats in its life, and express it in scientific notation. Make use of 365.24 days per y..
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