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A steel cable with total length 26 m and mass 140kg is connected to two poles. The tension in the cable is 6,521 N, and the wind makes the cable vibrate with a frequency of 2 Hz. Calculate the wavelength of the resulting wave on the cable.
how many drops of water are in all the oceans on earth? assume that 1cm3 contains 25 drops of water. remember that this
A 1300kg sports car accelerates from rest to 85km/h in 6.2s. What is the average power delivered by the engine
Draw a complete free-body diagram for each of the objects in your system. the hamster and the wedge. Include Fnet for each of them.
Heat flows into an ideal gas at a constant volume. The pressure increases from 1.5 atm to 5.5 atm. What is the total heat flow of the process
A neutron at rest decays into a proton with a decay energy of Q=0.782 MeV. Find maximum kinetic energy of the residual proton
A block of mass m = 2.00 kg is attached to a spring of force constant k = 4.65 102 N/m that lies on a horizontal frictionless surface, Find the speed the block has as it passes through equilibrium
An "energy bar" contains 21g of carbohydrates. If the energy bar was his only fuel, how far could a 68 kg person walk at 5km/hr? Express your answer using two significant figures.
An archer shoots an arrow horizontally at the target 14 m away. The arrow is aimed directly at the center of target, but it hits 59 cm lower.
If the humidity in a room of volume 685 m3 at 25°C is 40percent, what mass of water can still evaporate from an openpan
An earth satellite moves in a circular orbit with an orbital speed of 6200 m/s. Find the time of one revolution of the satellite
Calculate what is the speed of a particle whose kinetic energy is equivalent to one-half its own rest energy
Explain what a segmented labor market is, and how "queueing" theory can help explain it. According to How the Other Half Works, which workers are at the top of the hiring queue for the low-wage jobs the authors studied in LA, and why?
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