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A system of two paint buckets connected by a light weight rope isreleased from rest with the 12.0-kg bucket 2.00m above the floor.Use the principle of conservation of energy to find the speed withwhich this bucket strikes the floor. You can ignore friction andthe inertia of the pulley.
A truck is removed from the mud by attaching a line between the truck and the tree. What force is exerted on the truck
A liquid (? = 1.65 g/cm3) flows through two horizontal sections of tubing joined end to end. In the first section the cross-sectional area is 10.0 cm2, the flow speed is 265 cm/s, and the pressure is 1.20 105 Pa.
ice, liquid water, and water steam are three phases oof the same substance, meaning, what is the typical distance between water molecules in the liquid phase of water
Pushing on the pump of a soap dispenser compresses a small spring. When the spring is compressed 0.45 {\rm cm}, its potential energy is 0.0030 {\rm J}. Find the distance through which the strip is flexed
A 18.0 kg block is dragged over a rough, horizontal surface by a constant force of 77.6 N acting at an angle of 35? above the horizontal. The block is displaced 10.8 m, and the coefficient of kinetic friction is 0.149.
Calculate the deBroglie wavelength of electrons that have been accelerated by 50,000 Volts (Remember the relation between energy and momentum). The answer is 5.486*10^-12 meters, but I'm not sure how to get it.
A loudspeaker diaphragm is oscillating in simple harmonic motion with a frequency of 330 Hz, What is the magnitude of the maximum acceleration
According to a reliable report, in 1795 a member of the Turkish embassy in England shot an arrowto a distance of 441m. calcualte what must have been the minimum initial speed of the arrow
A 0.60kg sphere rotates around a vertical shaft supported by 2 strings. If the tension in the upper string is 18N, calculate the tension in the lower string
A coin placed on a turntable rotating at 34.1 rev/min will stay there if its center is placed no further than 10.0 cm from the axis of rotation, What is the coefficient of friction between the coin and turntable
An empty boat is placed in a freshwater lake and a mark is painted on the hull at the waterline, a line corresponding to the surface of the water when the vessel is floating upright, where is the new waterline mark located on hull of the boat
A solid iron sphere and a solid lead sphere of the same size are each suspended by strings and are submerged in a tank of water. (Note that the density of lead is greater than that of iron.) Which of the following statements are valid?
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