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The length of the mercury column at the ice point and steam point are 5.0 cm and 40.0cm respectively. When the thermometer is immersed in the liquid P, the length of the mercury column is 23.0 cm. What is the temperature of the liquid.
Deimos, a moon of Mars, is about 12 km in diameter, with a mass of 2.0×1015 kg. Suppose you are stranded alone on Deimos, With what speed would you have to throw a baseball
A 2.30 cm diameter tungsten sphere is heated to a temperature of 2000 degree C. At this temperature tungsten radiates only 30% of the energy radiated by a blackbody of the same size and temperature.
The average density of the solar wind at 1 AU is 7protons/cm3 and has an average radial speed of 400 km/s.Assuming that the mass of the solar wind was conserved as it movedaway from the sun and the speed remained constant, estimate themass/second of ..
An engine has a hot reservoir temperature of 969 K and a cold reservoir temperature of 602 K. The engine operates at two-fifths maximum efficiency. What is the efficiency of the engine?
You make a plot of displacement (Y ? Y0) in meters versus spring force (Fs) in Newtons for the data you have collected in lab and use LoggerPro to fit a line to your data. Calculate the spring constant and its uncertainty
a model rocket is fired vertically from rest. It has a net acceleration of 17.5 m/s2. how long after liftoff does the rocket return to the ground
The left end of a long glass rod, 10.0 in diameter, has a convex hemispherical surface 5.00 in radius. Determine the position of the image of an object placed in air
A projectile is fired at 67.5 o above the horizontal. Its initial speed is equal to 90.0 m/s. evaluate the maximum height reached by the projectile
Two small identical conducting spheres are placed with their centers 0.74 m apart. One is given a charge of 1.2 10-8 C, the other a charge of ?2.2 10-8 C. Find the electrostatic force exerted on one sphere by the other
When two capacitors are connected in series the equivalent capacitor is 120uF. What are the individual values of each capacitor
A star of mass 2.0 1028 kg that is 4.6 x 1020 m from the center of a galaxyrevolves around that center once every 4.6 x 108 years. estimate the number of stars in the galaxy
Consider a capacitor C being discharged through a resistor R as shown in figure a. The initial potential difference across the capacitor is 24.0 V, Compute the initial charge and time constant
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