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The electric force between two charged particles becomes weaker with increasing distance. Suppose instead the electric force were independent of distance . In this case would a charged comb still cause a neutral insulator to become polarized? why or why not? would the neutral insulator still be attracted tothe comb? Again , why or why not? provide examples also if you can.
A block of mass 3.41 kg is attached to a spring (k=31.9 N/m) by a rope that hangs over a pulley of mass M=6.82 kg and radius R=3.61 cm. find the maximum extension of the spring
The R factor for housing insulation gives the thermal resistance in units of ft2 °F h/BTU. A good wall for harsh climates, corresponding to about 10 in of fiberglass, has R = 40 ft2 °F h/BTU.
starting from resta 10 cm diameter compact disk takes 3.0 s to reach its operating angular velocity of 2200 rpm. assume
Over 500 planets have so far been detected beyond our solar system. This is accomplished by looking for the effect the planet has on the star. The star is not truly stationary; instead, it and its planets orbit around the center of mass of the sys..
A goldfish is swimming inside a spherical bowl of water having an index of refraction n = 1.333. How many centimeters behind the glass
A 0.49 kg mass at the end of a spring vibrates 9.0 times per second with an amplitude of 0.20 m. Determine the total energy of the system
A friend of yours who starts out at the same age as you travels to the alpha centauri solar system which is 4.70 light-years away. How fast did she travel
Two identical spheres are placed with centers 0.25 m apart, one is given a charge 20nC and the other-36nC, what will be the electric force each exerts on the other
A small mailbag is released from a helicopter that is descending steadily at 2.12 m/s. How far is it below the helicopter
suppose that r2/r1 = 10.0 cm and ignoring any air inside the shell, find the temperature of the outer surface of the shell.
at what height above the earth is the acceleration due to gravity 10% of its value at the surface, find the speed of a satellite orbiting at that height?
A telescope mirror has a radius of curvature of 18.0 m. It is used to take a picture of the Moon, What is the diameter of the image of the Moon produced by this mirror
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