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Position probability distribution for a pendulum. Consider the classical motion of a pendulum bob which, for small amplitudes of oscillation, moves effectively as a harmonic oscillator along a horizontal axis according to the equation.
x(t) = Asinωt
The probability that the bob will be found within a small distance delta x at x in random observations is proportional to the time it spends in this region during each swing. Obtain a mathematical expression for this probability as a function of x, assuming delta x<<A.
A horizontal spring is lying on a frictionless surface. Oneend of the spring is attaches to a wall while the other end isconnected to a movable object. What is the speed ofthe object at the instant
We are going to heat up some water. We start with 10 kg of ice at T = -20° C. How much heat did we need to add to the system
pulsars are neutron stars that emit x rays and other radiation in such a way that we on earth receive pulses of
the two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656 rm nm red and 486 rm nm
the elastic energy stored in a stretched bungie cord is found to be 568 j. the the bungie cord is stretched 0.349 m
What is the horizontal distance between elbow and the point where the weight of the forearm acts.
The engine of a model rocket is rated with a total impulse of 5.00 N seconds and a thrust duration of 1.20 seconds. What is the average force exerted by the engine? I believe the answer is 4.17 N. I need to see each step and formula to solve this ..
A 5.10 kg object on a horizontal frictionless surface is attatched to a spring with spring constant 880 N/m. The object is displaced from equilibrium 50.0 cm horizontally and given an initial velocity of 8.9 m/s back toward the equilibrium point.
Stuntman's Freefall, a ride at Six Flags Great Adventure in New Jersey, stands 39.6 m high. Neglecting the force of friction, evaluate the minimum power rating of the motor that raises
Ocean waves are traveling to the east at 3.9 m/s with a distance of 21 m between crests. With what frequency do the waves hit the front of a boat when the boat is moving westward at 1.5 m/s
The body of a person of mass 90.0 kg contains 0.020 m3 of fat. Thedensity of human body fat is 980 kg/m3. What percentage of this person’s body weight is composed of fat?
A roller coaster car of mass 250 kg has a speed of v0 = 12 m s-1 at point A, located at a height of h = 15 m. Find the speed of the car when it reaches point B. Use energy ideas
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