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A 100 g aluminum calorimeter contains 250 g of water. The two substances are in thermal equilibrium at 10°C. Two metallic blocks are placed in the water. One is a 50 g piece of copper at 80°C. The other sample has a mass of 64 g and is originally at a temperature of 100°C. The entire system stabilizes at a final temperature of 20°C. Determine the specific heat of the unknown second sample.
A missile of mass 1.10 102 kg is fired from a plane of mass 5.10 103 kg initially moving at a speed of 3.50 102 m/s. determine is the final velocity of the plane
A potter's wheel is a uniform solid disk of diameter 0.72m and a mass of 60kg. what is moment of inertia of the disk
When blue light of wavelength 440 nm falls on a single slit, the first dark bands on either side of center are separated by 49.0 degrees. Determine the width of the slit
Suppose you are driving in the High Sierras from Mammoth Mountain to the Owens Valley 2038 m below. what would be your approximate final speed
bowler uses a 5-kg bowling ball. What is the weight of the bowling ball, What is the momentum of the ball
Two cylindrical bars, each with diameter of 2.30 cm, are welded together end to end. compute the resistance between the ends of the welded bar
What is the greatest possible distance from the wall
What is the rms speed of nitrogen molecules at a temperature of 55 oC? The mass of a nitrogen molecule is 4.680×10-26 kg
If a person radiates about 67 W of power at room temperature, how long does it take for a person to radiate away the energy acquired by consuming a 260 Calorie donut?
Assuming a mass density of 3.5 g/cm^3 for rock and 1 g/cm^3 for ice, calculate the radius of the rocky core for each of the galilean satellites with complete differentiation
A 75 g piece of ice at an initially unknown temperature is placed into a glass of 350 g of water sitting at room temperature, What is the specific heat capacity of the unknown metal
The new earth-Pluto SuperShuttle line boasts that it can take you between the two planets (which are about 5.0 h apart in time) in 2.5 h, what is the shuttle's cruising speed
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