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A gold prospector finds a solid rock that is composed solely of quartz and gold. The mass and volume of the rock are, respectively, 13.1 kg and 3.76 10-3 m3. The density of gold is 19 300 kg/m3, and the density of quartz is 2660 kg/m3. Find the mass of the gold in the rock.
Why three points? Would two have been enough? Describe what changes would occur, if any, in the electric field pattern and in the equipotential curve you measured if the magnitudes of your three charges were increased, all by the same factor.
Consider a circuit consisting of a lightbulb and a capacitor. Part A:If the frequency of the generator is increased, does the intensity of the lightbulb increase, decrease, or stay the same? Part B:Choose the bestexplanation from among the following:
A particular motor can provide a maximum of 110.0 N • m of torque. Assuming that all of this torque is used to accelerate a solid, What angle will it rotate through to do this
A stone takes 0.28s to travel past a window 2.2m tall. From what height above top of the window did the stone fall?
q1. a toyota prius driving north at 59.0 and the vw passat driving south at 37.0 are on the same road heading toward
While taking photographs in Death Valley on a day when the temperature is 58.0°C, What current does he register there if the temperature is -88.0°C
A piano string having a mass per unit length equal to 4.00 × 10-3 kg/m is under a tension of 1100 N. Find the speed with which a wave travels on this string.
if harry's dog weighs 25N and harry lifts him up to a height of 10 meters, how much work does Harry do
An 18-year-old runner can complete a 10.0-km course with an average speed of 4.80 m/s. How much later (in seconds) should the younger runner start in order to finish the course at the same time as the older runner
A two-slit experiment with slits separated by 4.3 10-4 m produces a second-order maximum at an angle of 0.0650° , Find the wavelength of the light used in this experiment
A closed box is filled with dry ice at a temperature of -88.7 oC, while the outside temperature is 23.3 oC. Find the thermal conductivity of the material from which the box is made
A certain substance has a mass per mole of 36 g/mol. When 319 J is added as heat to a 35.0 g sample of this material, How many moles of the substance are present
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