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A horizontal mass-spring system has low friction, spring stiffness 250 N/m, and mass 0.370 kg. The system is released with an initial compression of the spring of 10.8 cm and an initial speed of the mass of 3.10 m/s.What is the maximum stretch during the motion?
What is the maximum speed during the motion?
Now suppose that there is energy dissipation of 0.030 J per cycle of the spring-mass system. What is the average power input required to maintain a steady oscillation?
Two charges q1 = ?3.20 nC and q2 = +8.90 nC are at a distance of 1.20 µm from each other, What is the kinetic energy of the charge q2 when it is 0.340 µm from q1
what was (a) the negative charge in coulombs on one of them and (b) the positive charge in coulombs on the other.
A horizontal 797N merry-go-round is a solid disk of radius 1.53 m, started from rest by a steady horizontal force of 50.4 N applied tangentially to the edge of disk. Determine the kinetic energy of the disk after 3.06 s.
A 105 granite cube slides down a 40 frictionless ramp. At the bottom, just as it exits onto a horizontal table, it collides with a 265 steel cube at rest. How high above the table must the granite cube be released to give the steel cube a speed of..
A pipe is open at both ends. The pipe has resonant frequencies of 528 Hz and 660Hz (among others). Find two possible values for the length of the pipe
Copper has 8.5×1028 electrons per cubic meter. How many electrons are there in a 25.0 cm length of 12-gauge copper wire, what is the average drift speed of the electrons along the wire
A 1.35 block is attached to a spring with spring constant 14. While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 50. What are The block's speed at the point where = 0.750 A.
Pale uses straight-line depreciation and useful lives of 40 years and 10 years for the building and equipment, respectively, with no estimated residual values. Give journal entry that Pale recorded when it transferred the assets to Bright.
A uniform cylindrical turntable of radius 1.80 m and mass 25.2 kg rotates counterclockwise in a horizontal plane with an initial angular speed of 4pi rad/s. Find the final angular speed of the clay and turntable
A model-train transformer plugs into 120-V ac, What voltage is present across the tracks
Net average force using the concepts of Newton’s second law.
A Styrofoam box has a surface area of 0.83 m2 and a wall thickness of 2.0 cm. The temperature of the inner surface is 5.0°C, determine the thermal conductivity of the Styrofoam.
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