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A vertical piston-cylinder device contains water and is being heated on top of a range. During the process, 10 kJ of heat is transferred to the water, and heat losses from the side walls amount to 80 J.

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How much total heat energy input is needed to raise the temperature from 20°C to 100°C for 15-kg steel container filled with 17-kg liquid? [cst = 450 J/kg. Co and cli = 4100 J/kg. Co]

A 0.50 m3 drum was filled with 0.49 m3 of liquid water at 25oC and the remaining volume was water vapor without any air. The drum was then sealed and heated to 140oC. What happened to this system

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If 6 men or 8 women can finish a work in 12 days, 9 men and 12 women will finish the work nearly?

5) A 80-kg man has a total foot imprint area of 480 cm2. Determine the pressure this man exerts on the ground if (a) he stands on both feet and (b) he stands on one foot.

A car with an initial speed of 50 km/h accelerates at 5000 km/h2 along a straight road. a. How long will it take to reach a speed of 120 km/h?

If high beam headlights are used improperly, it could cause glare for an oncoming driver or reduce their visibility greatly, increasing the possibility of a collision. a) b) True False