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Two round, open tanks containing the same type of fluid rest on a table top as shown in Fig. P2.114. They have the same bottom area, A, but different shapes. When the depth, h, of the liquid in the two tanks is the same, the pressure force of the liquids on the bottom of the two tanks is the same. However, the force that the table exerts on the two tanks is different because the weight in each of the tanks is different. How do you account for this apparent paradox?
A mass-spring system oscillates with an amplitude of 5.50cm. If the spring constant is 247N/m and the mass is 584g, determine the mechanical energy of the system
A 0.50 kilogram shuffleboard puck slides a distance of 3.0 meter on the board. estimate what work is done by the force of friction
A block of wood of mass 10.8 kilogram and density 4.42 x 102 kg/m3, floats on water. Find the minimum amount of aluminum (density 2.70 x 103 kg/m3) that can be located on top of the wood block and cause the block of wood and the aluminum to sink
With what tension must a rope with length 2.80m and mass 0.170 kg be stretched for transverse waves of frequency 41.0Hz to have a wavelength of 0.910m
You are designing a sensor to detect biological pathogens in drinking water. Your sensor is based on a cantilever which is micromachined from silicon, with a length of 300m, a width of 100m, and a thickness of 1m.
A clothes dryer runs on 4400 W. If the dryer draws 20 A of current, what is the resistance of the dryer
At a county fair, two children ram each other head-on while riding on the bumper cars. Jill and her car, traveling left at 3.10m/s, have a total mass of 330kg. Jack and his car, traveling to the right at 1.80m/s, have a total mass of 255kg. Decide th..
A swimmer runs horizontally off a diving board with a speed of 3.44m/s and hits the water a horizontal distance of 1.74m from the end of the board. How high above the water was the diving board
A gamma-ray photon produces an electron-positron pair, each with a kinetic energy of 255 keV. What was the wavelength of the photon
A camera's zoom lens covers the focal-length range 38mm -138mm . You point the camera at a distant object and photograph it first at 38mm and then with the camera zoomed out to 138mm . Compare the sizes of its images on the two photos.
What angular velocity would be required to give a rotating object of mass 25 kg and a radius of 2 m a centripetal force of 50 N
A simple circuit consists of a light bulb connected to the terminals of a battery. Determine the resistance and power of the bulb
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