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A gold prospector finds a solid rock that is composed solely of quartz and gold.The total mass and total volume of the rock are, respectively, 13.0 kg and 3.50 10-3 m3. The density of gold is 19 300 kg/m3, and the density of quartz is 2660 kg/m3. Use your answers to the Concept Questions and determine the mass mG of gold in the rock.
A 554-kg satellite is in a circular orbit about Earth at a height above Earth equal to Earth's mean radius. Find the satellite's orbital speed
An excellent laboratory vacuum has a pressure of 5.00 multiply.gif 10-18 atm, ow many gas molecules are there per cubic centimeter in such a vacuum at 290 K
A magician pulls a tablecloth from under a 200 g mug located 30.0 cm from the edge of the cloth. The cloth exerts a friction force of 0.100 N on the mug, and the cloth is pulled with a constant acceleration of 2.90 m/s2
When the afternoon Sun reaches an angle of 27.0° above the horizon, sunlight ceases to illuminate the bottom of the tank. Evaluate how deep is the tank?
A sphere, a solid cylinder and a thin-walled hollow cylinder all have the same mass and radius. Which one reaches the bottom of the incline first
The drawing shows a person looking at a building on top of which an antenna is mounted. The horizontal distance between the person's eyes and the building is 84.4 m. How tall is the antenna
description the following assignment must be submitted to your instructor for evaluation. write out your solution using
One wire carries a current of 5.008 A into it. Another wire carries a current of 5 A out of it. Explain how long would it take for the sphere to increase in potential by 4000 volts?
When a 79-m-long metal pipe is heated from 14 °C to 39 °C, it lengthens by 2.56 cm. Determine the linear expansion coefficient
A father racing his son has 1/3 the kinetic energy of the son, who has 1/3 the mass of the father. What are the original speeds ofthe father
A small plane tows a glider at constant speed and altitude. If the plane does 2.09 105 J of work to tow the glider 130m, what is the angle between the two rope and the horizontal
A dc motor is connected to a constant emf of 13.9 V. The resistance of its windings is 2.0 ?. What current does it draw at normal operating speed
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