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Suppose we have a uniform sphere (radius R) of 1 M of hydrogen. What is the column density through the center of the sphere?
What was an initial speed of the ball
An object weighs 302 N in the air. When tied to a string, connected to a balance, and immersed in water, it weighs 220 N. When it is immersed in oil, it weighs 257 N. what is the density of the object.
A 350 g piece of metal at 100C is dropped into a 100 g aluminum cup containing 500 g of water at 15C. What is the specific heat of the metal
A near-sighted woman cannot focus on any object farther away than a distance x = 57 cm. Find the focal length of the lens which will correct her vision
What is the total translational kinetic energy in a test chamber filled with nitrogen (N2) at 2.03×105 Pa and 20.7°C? The dimensions of the chamber are 3.00 m × 6.00 m × 8.30 m
Ice of mass 48.5 g at -10.3° C is added to 188 g of water at 14.2° C in a 108 g glass container of specific heat 0.200 cal/g-°C, obtain the final temperature of the system
make Use of a 9.81 m/s^2 for the magnitude of the acceleration due to gravity.
Ice water is heated to boiling in a 500mL beaker. The beaker's temperature from 0 oC to 100 oC. What is the change in volume of the beaker
A disk of radius R = 9 cm is pulled along a friction less surface with a force of F = 15 N by a string wrapped around the edge. At the instant when d = 28 cm of string has unwound off the disk, what is torque exerted about the center of the disk.
A wave on a string is described by the relation y = A sin(47t - 0.023x), where t is measured in seconds and x in meters, with A = 0.18 m, Find the frequency of the wave
The entrepreneur who founded the company is convinced that sales will increase next year by 150% and that net operating income will increase by 400%, with no increase in average operating assets. Illustrate what would be the company's ROI?
A 0.38-kg cord is stretched between two supports,7.6m apart. When one support is struck by a hammer, What is the tension on the cord
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