Find out the speed of the car
A 4400 kg open railroad car coasts along with a constant speed of 5.30m/s on a level track. Snow begins to fall vertically and fills the car at a rate of 5.40 kg/min Ignoring friction with the tracks, what is the speed of the car after 70.0min ?
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A laser beam passes through a converging lens with a focal length of 19cm... At what distance past the lens has the laser beam's intensity increased by a factor of 6? At what distance past the lens has the laser beam's electric field strength incr
A Pew Internet and American Life Project 2007 report stated that 74% of teenage boys posted their photo on their online profile, while 83% of teenage girls did so. Assume that the sample sizes were each 500. Test whether the proportion of teenage
Heat is then added to the gas until the piston moves up compressing the spring by 8 cm. The barometric pressure is 750 mm Hg (S.G = 13.6). Calculate the intitial and final pressure inside the cylinder.
A 3 yr bond with monthly coupons has a face value (and redemption value) of $120,000. The coupon rate is a nominal annual rate of 6.4% compounded quarterly, and the yield rate is a nominal annual rate of 7.2% compounded monthly.
Refrigerant Gas (r-134) at 500k and 70 degrees C enters an air-cooled condenser (heat exchanger) and leaves the condenser as saturated liquid at 500 kPa.
Neville Longbottom has been asked to serve as a consultant on a building project and can get paid his fee up-front or at the end of the long project.
When equilibrium is reached, the nut is sitting in a small pool of water from the melted ice. How much water is there? Assume no heat enters or leaves the system.
Rico Suave is a widowed single father with 2 dependent children. Rico has a gross income of $48,000, adjustments of $8,000, and itemized deductions of $8,700.
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