What are vegas diameter and effective temperature
The star Vega has a measured angular diameter of 3.24 mas (milliarcseconds) and a flux of 2.84 x 10-8 W/m2. Its distance is 8.1 pc. What are Vega's diameter and effective temperature?
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A bullet weighing 50 grams and traveling at 200 m/s is shot into a stationary block of wood weighing 4 kg where it lodges. Determine how much each of the following changes from before the bullet strike to after the bullet stops for the system defi
When delivering 10. amps to an external load, the voltage drops to 11.2 volts. What is the value of the constant voltage source (Vs) and the internal resistance (Rs)?
A 2000 lbm automobile is driving down a level road at 70 mph. The engine is disengaged and the automobile is allowed to coast. After 7 seconds, the speed of the automobile is 60 mph. Use this information to estimate the power required for this aut
The combustion chamber on a jet has air entering at 2 kg/s and fuel enters through a fuel injector at .07 kg/s. Determine the mass flow rate of exhaust gases from the engine.
Find the temperature and the cooling rate of the wire as a function of time. Assume constant thermal properties and neglect the radial temperature gradients and end effects.
The 680 kg load suspended from the helicopter is in equilibrium. The aerodynamic drag force on the load is horizonal. The y axis is vertical, and cable OA lies in the x-y plane. Determine the magnitude of the drag force and the tension in cable OA
According to the Law School Admission Council, in the fall of 2006, 63% of law school applicants were accepted to some law school. The training program Satisfaction claims that 163 of the 240 students trained in 2006 were admitted to law school. Y
Air at 110 kPa and 50 C flows upward through a 6-cm-diamter inclined duct at a rate of 45 L/s. The duct diameter is then reduced to 4 cm through a reducer. The pressure change across the reducer is measured by a water manometer.
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