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Problem:
Here is a displacement-time graph of an object which is not moving with simple harmonic motion. But it is still an oscillation and it has a period. period of oscillation
Estimate that period.
A: 0.25s.
B: 0.3 s.
C: 0.5 s.
D: 0.7 s
E: 1.0 s.
F : 2.0 s
The strongest person in the world lifted th read end of his car a mass of 615 kg a verticle distance of .24 meters. How much work did he do to life the car
An axial tensile force of 5kN is applied at each of the extreme ends. Determine the total elongation of the assembly. For steel, E = 200GPa, and for brass, E = 90GPa. Express the answer in millimeters.
Sodium ions (Na+) move at 0.841 m/s through a bloodstream in the arm of a person standing near a large magnet. what would be the magnetic force on the arm
The piston of a cylinder containing a quantity of ideal gas is advanced so that the volume of the gas is decreased by one-half. A pressure gauge on the cylinder shows the pressure of the gas to have increased threefold in the process. By what fact..
If the spring stretches by 2.4cm, what is the coefficient of static friction between the backpack and the table.
A battery has Vemf = 12.0 V and internal resistance r = 1.21. What resistance, R, can be put across the battery to extract 10.7 W of power from it?
A bike wheel with a mass of 2.5 kg and a radius of 33 cm rolls across a horizontal floor with a transitional speed of 1.5 m/s. Find how far up the ramp will it go before stopping
In a real or imaginary nucleus of 51 x ^108, how many protons are in the nucleus and how many neutrons are in the nucleus
A block with mass m = 16.0 kg rests on a frictionless table and is accelerated by a spring with spring constant k = 5205.0 N/m after being compressed a distance x1 = 0.481 m from the spring's unstretched length. What is the speed of the block after..
A uniform beam of weight W and length L is supported by two wires made of the same material, but of different diameters. What will be the ratio of the two frequencies
A proton moving eastward with a velocity of 5.0 x 103m/s enters a magnetic field of .20 T pointingnorthward. What is the magnitude and direction of the force that acts on the proton?
A rocket (rest frame S') traveling at a speed of v=0.5c relative to the earth (rest frame S) shoots forward bullets traveling at speed u'=0.6c relative to the rocket. Determine the bullet speed u relative to the earth
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