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A uniform string of length 2 m hangs from two supports of the same height, 1 m apart. By minimizing the potential energy of string, Define the equation describing the curve it forms and, in particular, calculates the vertical distance between the supports and the lowest point of the string.
A 4.0g mass is attatched to a wire of diameter 0.64mmwith a full stretched of 0.60mm which is 1/5000 of the originallength. Determine the tensile stress and strain
the phone lines to an airline reservation system are occupied 40 of the time. assume theevents that the lines are
When the centrifuge reaches an angular speed of 2.5 rad/s, the trainee experiences a total acceleration equal to 4.8 times the acceleration due to gravity. Explain how long is the arm of the centrifuge?
A 1250 kg car is moving at 5.0 m/s collides with and couples with the 750 kg car. What is the resulting speed of the coupled cars.
A speed ramp at an airport is basically a large conveyor belt on which you can stand and be moved along. The belt of one speed ramp moves at a constant speed such that a person who stands still on it leaves the ramp 66 s after getting on.
Rays of the Sun are seen to make a 35.6 angle to the vertical beneath the water. At what angle above the horizon is the Sun
In a particular beta-minus decay of a free neutron (that is, one not part of an atomic nucleus), the emitted electron has exactly the same kinetic energy as the emitted electron antineutrino. What is the value, in MeV, of that kinetic energy? Assume ..
Compute the linear momentum and angular momentum of a Frisbee of mass 0.130 kg if it has a linear speed of 1.25 m/s and an angular velocity of 62.5 rad/s
A car owner forgets to turn off the headlights of his car while it is parked in his garage. how long will it take the battery to completely discharge
A 3.0 m tall, 60 cm diameter concrete column supports a 205,000 kg load. By how much is the column compressed
A 5.40×10-2- wad of putty is thrown horizontally at the block, hitting it with a speed of 2 and sticking. far does the putty-block system compress spring.
An oscillating block - spring system has a mechanical energy of 1.70 J, and amplitude of 10.0 cm, and a maximum speed of 1.1 m/s. A) Find the spring constant. B)Find the mass of the block. C) Find the frequency of oscillation. (three questions)
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