Determine the mass of the copper
A piece of copper at 320 degrees celcius is dropped into 1.9 kg of water at 16 degrees celcius. If the equilibrium temperature is 21 degrees celcius , what is the mass of the copper?
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Determine (a) the value of d if when the speed of the automobile is 72 km/h, the normal component of the acceleration is 3.2 m/s2, (b) the speed of the automobile if d 5 180 m and the normal component of the acceleration is measured to be 0.6g.
Taking the diamonds listed in the advertisement as a simple random sample of all diamonds available for sale on the open market, find a 95% confidence interval for the proportion of diamonds that are classified as "H" for color
The wall is 0.12 m thick and has an area of 9.9 m2. Assume that one kilowatt · hour of electrical energy costs $0.15. How many hours are required for one dollar's worth of energy to be conducted through the wall?
a) Write down the time dependent schrodinger equation for an electron trapped in a one-dimensional infinite potential well of 130 pm wide
An electric heater in the tank transfers energy to the water at a constant rate of 60 W. Find the time, in hours, when the temperature reaches 200° C.
An 14 m by 8.5 m house is built on a concrete slab 27 cm thick. What is the heat-loss rate through the floor if the interior is at 28 degrees celcius while the ground is at 18 degrees celcius?
Based on your confidence interval, is it reasonable to assume that 99% of pipes have surface roughness measurements that fall in that interval? Briefly explain your answer.
The critical stress (in MPa) required for crack propagation is 17.9MPa, calculate the specific surface energy of this brittle materials.
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