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Q1. The center of a 1.00 km diameter spherical pocket of oil is 1.00 km beneath the Earth's surface. Estimate by what proportion directly above the pocket of oil would differ from the expected value of g for the uniform Earth? Assume the density of oil is 8.0 x 10^2 kg/m^3.
Q2. Ice at -13.7 °C and steam at 114 °C are brought together at atmospheric pressure in a perfectly insulated container. After thermal equilibrium is reached, the liquid phase at 43.3 °C is present. Ignoring container and equilibrium vapour pressure of the liquid at 43.3 °C, find the ratio of the mass of steam to the mass of ice. The specific heat capacity of steam is 2020 J/(kg C°).
The resistance of the loop is 0.490 ohms. A magnetic field parallel to z-axis is given by B= 0.830 y^2 t, where B is in tesla, y in meters, and t in seconds. What is the size of the induced current in the loop at t = 0.470s .
A gas expands from I to F. The energy added to the gas by heat is 442 J when the gas goes from I to F along the diagonal path. What is the change in internal energy of the gas.
A snowmobile climbs a hill at velocity v-up. The slope of the hill is a 2 ft rise for every 70 ft of distance. The resistive force of the snow is equal to 4.12 percent of the weight of the snowmobile. How fast will the snowmobile move downhill, assum..
How much energy was released in an explosion
Compute the magnitude of the average acceleration
A plot of pressure as a function of volume is known as a pV diagram. pV diagrams are often used in analyzing thermodynamic processes. Consider an ideal gas that starts in state O, as indicated in the diagram. Your task is to explain how the gas proce..
How many revolutions per minute would a 29 {rm m}-diameter Ferris wheel require to make for the passengers to feel "weightless" at topmost point.
If you weigh 690 N on the earth, what would be your weight on the surface of a neutron star that has the same mass as our sun and a diameter of 25.0 km.
A cardiac pacemaker can be affected by the static magnetic field as small as 1.7 mT. How close can a pacemaker wearer come to a long, straight wire carrying 19 A.
The distance from the point on the surface of Earth to a point on a surface of the moon is measured by aiming a laser light beam at the reflector on the surface of moon and measuring the time required for the light to make a round trip.
W hat is balls initial speed
The speakers produce the same single-frequency tone in either drawing and are in phase. The speed of sound is 343 m/s. Find the single smallest frequency that would produce both constructive interference in drawing 1 and destructive interference in d..
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