Determining the mass of the ice cube
A cube of ice is taken from the freezer at -8.3°C and placed in a 105 g aluminum calorimeter filled with 295 g of water at room temperature of 20°C. The final situation is observed to be all water at 17°C. What was the mass of the ice cube?
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Between the two is squeezed a spring (spring constant = 1108 N/m). The spring is compressed by 0.142 m from its unstrained length. With what speed does each block move away when the mechanism keeping the spring squeezed is released?
A 2.0 g bullet traveling at 700 m/s hits and becomes embedded in s stationary 5.0 kg wood block. What is the speed of the block immediately after the bullet has stopped moving relative to the block?
An alaskan rescue plane drops a package of emergency rations to a stranded party of explorers. The plane is traveling horizontally at 30m/s at a height of 200m above the ground. What horizontal distance does the package fall before landing? Find t
A cube of ice is taken from the freezer at -8.3°C and placed in a 105 g aluminum calorimeter filled with 295 g of water at room temperature of 20°C. The final situation is observed to be all water at 17°C. What was the mass of the ice
A spring of k=12 N/m has a block of mass 11 kg attached to it on a frictionless table. If the block is pulled a distance 0.17 m to the right and released from rest, how long will it take the block to return to its equilibrium position? Give your a
An Alaskan rescue plane traveling 35 m/s drops a package of emergency rations from a height of 136 m to a stranded party of explorers.
If the company were to obtain insurance on the property, it would cost them $1,000,000 per year. The company estimates that on average it will incur losses of $800,000 per year. During 2007, $350,000 worth of losses were sustained. How much total
The skin temperature of this individual is 36°C and that of her environment is 19° C. The emissivity of her skin is 0.75 and its surface area is 1.3 m2. How much time would it take for her to emit a net radiant energy from her body that is
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