An engine does 17200 j of work and rejects 6470 j of heat
An engine does 17200 J of work and rejects 6470 J of heat into a cold reservoir whose temperature is 272 K. What would be the smallest possible temperature of the hot reservoir?
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Yusef pushes a chair of mass m = 55.0kg across a carpeted floor with a force F? p of magnitude Fp = 148N directed at ? = 35.0degrees below the horizontal, What is the magnitude of the acceleration a of the chair
A saturated 100 cm^3 clay sample has a natural water content of30%. It's found that the shrinkage limit occurs when the water content is 19%. If the specific gravity of soil solids is 2.7,
High-speed stroboscopic photographs show that the head of a 250-g golf club is traveling at 52 m/s just before it strikes a 46-g golf ball at rest on a tee. Find the speed of the golf ball just after impact
The mean annual precipitation for a 325 mi2 watershed is25 inches. Assume that 20% of the annual precipitation reachesthe watershed outlet as streamflow. Determine the meanstreamflow rate in ac-ft/yr
An engine does 17200 J of work and rejects 6470 J of heat into a cold reservoir whose temperature is 272 K
A crop has a consumptive use requirement of 1.2 acre-ft of water per acre of crop land. The crop is planted on 780 acres. Precipitation is 3.2 inches. The remainder of the 1.2 ac-ft/ac requirement is met by irrigation.
You are told that there are 17 charges with the same charge Q > 0 C and 19 charges with the same charge - Q in a closed container of arbitrary shape. Calculate the net electric flux through the container
A small plot of land has measured dimesnions of 50 by 150 ft. the incertianity in the 50-ft is +/- 0.01 ft. Calculate the uncertianity heith which the 150-ft must be measred to ensure that the total uncertainty is not greater than 150%.
Consider two masses (M=50 kg, m = 10 kg) connected by a string as shown below. Find the tension in the connecting string
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