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Consider a pair of forces, one having a magnitude of 30 N, andthe other having a magnitude of 40 N. What maximum net forceis possible when combining these two forces? What is theminimum net force possible?
A window washer is standing on a scaffold supported by a vertical rope at each end. The scaffold weighs 204 N and is 3.1 m long. What is the tension in each rope when the 702-N worker stands 2.10 m from one end?
A 17.0 m-long copper wire, 3.00 mm in diameter including insulation, is tightly wrapped in a single layer with adjacent coils touching, What is the length of the solenoid
A displacement vector r in the xy plane is 37 m long and directed at angle ? = 34° as shown below. Determine the x and y components of the vector
A certain camera has f-numbers that range from 1 to 20. If the focal length of the lens is 51 mm, what is the range of aperture diameters for the camera
You sing into a well and find that the well resonates at frequencies of 231 Hz and 273 Hz with no resonances between these two frequencies. What is the frequency of the fundamental mode
A mass-spring system completes 7 full oscillations in a time of 14.4 seconds. What is the angular frequency of oscillation
Two long, straight wires cross each other at right angles, and each carries same current. Which of the following statements are true regarding the total magnetic field at the various points due to the two wires.
At the time this problem was written, the price of gold was $411 per ounce, while that of platinum was $884 an ounce, How much would a platinum nugget of this size be worth
A nucleus of oxygen-15 undergoes electron capture. Write out the reaction equation and determine the identity of the daughter nucleus
A circular hole in an aluminum plate is 3.263 cm in diameter at 0.000°C. What is its diameter (in cm) as the temperature of the plate is raised to 129.8°C? Give the answer to four significant figures. The linear expansion coefficient of aluminum i..
A rectangular metal block is 0.6 m long, 0.2 m wide, and 0.1 m tall. The block weighs 270 N. What is the density of the fluid
a solid wood door 90 cm wide by 2.00 m tall has a mass of 35.0 kg. it is ajar and at rest. a ball with a mass of 500 g is thrown perpendicular to the door with a speed of 20.0 m/s, how much energy is lost in the process
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