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A 4.00*102 g glass coffee cup is 20.0 C at roomtemperature. It is then plunged into hot dishwater at a temperatureof 80.0 C. If the temperature of the cup reaches that of thedishwater, how much heat does the cup absorb? Assume that the masof the dishwater is large enough so that its temperature does notchange appreciably.
A hot piece of copper (cc = 386J/kg·K) of mass mc = 3kg and unknown initial temperature Tc is dropped into a container of water (cw = 4186 J/kg · K) of mass mw = 1 kg, What is the initial temperature Tc of the copper
The density of a 2.79-m long rod can be described by the linear density function ?(x) = 109 g/m + 10.1x g/m2. Determine the total mass of the rod
A 10 g bullet moving 1000 m/s strikes and passes through a 2.0-kg block initially at rest, as shown. The bullet emerges from the block with a speed of 400 m/s. (a) (5 pts) How much energy was lost in the collision?
Whenever two Apollo astronauts were on the surface of the Moon, a third astronaut orbited the Moon. Determine the astronaut's orbital speed
If you tied the string from the previous problem to a wooden block, What is the minimum volume of wooden block you could use? The density of wood is 600 kg/m3
A wave has an angular frequency of 110 rad/s and a wavelength of 1.80 m. Calculate the angular wave number and the speed of the wave.
Explain how do Decisions concerning span of management and the use of committees and coordination techniques affect basic organizational structure
Two parallel rods are each 0.50 m in length. They are attached at their centers to either end of the spring (spring constant = 150 N/m) that is initially neither stretched nor compressed.
A sine wave with amplitude 20V is connected to a 10K resistor. Calculate the peak, rms, and average currents through the resistor. What power rating should the resistor have
A sample of CO2 has a mass of 50 g. What is the number of molecules of carbon dioxide in the 50 g sample
A 65 diver stands at the end of a 27 springboard. What is the magnitude of the vertical force exerted by the hinge on the board
An explorer is caught in a whiteout (in which the snowfall is so thick that the ground cannot be distinguished from the sky) while returning to base camp. How far (in km) must he now travel to reach base camp
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