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A 2.50-kg textbook is forced against a horizontal spring of negligible mass and force constant 250 N/m, compressing the spring a distance of 0.250 m. When released, the textbook slides on a horizontal tabletop with coefficient of kinetic friction uK= 0.30. Use the work-energy theorem to find out how far the textbook moves from its initial position before coming to rest
A beam of light is incident from air on the surface of a liquid. find the critical angle for the liquid when surrounded by air
Which has a greater packing fraction, a diamond crystal structure or a copper crystal structure, how much empty space would be left in each structure
A solid, horizontal cylinder of mass 9.0 kg and radius 1.30 mrotates with an angular speed of 6.00 rad/s about a fixed verticalaxis through its center. Determine the final angular speed of the system
A hot-air balloon has a volume of 2600m3. The balloon fabric (the envelope) weighs 810 Newton. Obtain the average density of heated gases in the envelope
question1an electron accelerated from rest through a voltage of 400 v enters a region of constant magnetic field. if
astronauts use a centrifuge to simulate the acceleration of a rocket launch. the centrifuge takes 40.0 s to speed up
A 5.0-kg object is pulled along a horizontal surface at by a 15 N force acting 20? above the horizontal. How much work is done by the gravitational force
Triply charged uranium-235 and uranium-238 ions are being separated in a mass spectrometer. What is the separation between their paths in meters when they hit a target after traversing a semicircle
what is the maximum mass that can hang without sinking from a 90cm diameter styrofoam sphere in water? assume the
The pressure inside a gas bottle at 24.7 °C is 3830 kPa. What will be the pressure inside the bottle
A car traveling 85km/h slows down at a constant 0.46m/s2 just by "letting up on the gas." Calculate the distance the car coasts before it stops
Two long, parallel wires carry currents of 0.245 A in the same direction. If the wires are 0.034 m apart, Is this force attractive or repulsive
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