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A 24.0 kilogram gold bar at 27.0°C is located in a large, insulated 0.800 kilogram glass container at 15.0°C with 2.00 kilogram of water at 25.0°C. Estimate the final equilibrium temperature.
°C
A 1.50g penny with density 7170kg/m3 is released just below the surface of a pool of water. What's its initial downward acceleration
a boat has a mass of 7920 kg. its engines generate a drive force of 3070 n due west while the wind exerts a force of
a soldering iron uses an electric current in a wire to heat the tip. a transformer with 100 turns on the secondary coil
In February 1955, a paratrooper fell 1200 ft from an airplanewithout being able to open his chute but happened to land in snow, What is the minimum depth of snow that wouldhave stopped him safely
A cylinder, semicircular in cross-section, 10.0 m long and 5.00 m in radius is completely submerged in water. What is the buoyant force on the cylinder
a helium balloon ride lifts up passengers in a basket. assume the density of air is 1.28 kgm3 and the density of helium
the orbiting space shuttle moves around earth well above 99 percentof the atmosphere yet it still accumulates an
A rectangular plate has a length of (20.4 0.2) cm and a width of (8.7 0.1) cm. Calculate the area of the plate
When resistors 1 and 2 are connected in series, the equivalent resistance is 19.7 ?. When they are connected in parallel, the equivalent resistance is 3.96 ?. What are the larger resistance of these two resistors
A source emits sound uniformly in all directions. A radial line is drawn from this source. On this line, determine the radialpositions of two points, 0.849 m apart, such that the intensitylevel at one point is 2.48 dB greater than that at the other.
An ambulance is generating a siren sound at a frequency of 2,400 Hz. The velocity of sound is 340.0 m/s. The observer is traveling at a velocity of 24.00 m/s toward the ambulance and the ambulance is traveling at a velocity of 24.00 m/s toward the ob..
he rate P at which a star radiates energy in the form of electromagnetic waves can be calculated using the equation, Calculate a numerical value for the intensity of sunlight
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