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Suppose we have a rod of length L that has one end at (0,0) and lies along the x-axis and has a uniformly distributed charge -Q. Use calculus to determine the electric potential at point (L+a,0)
When the density of the string is changed, say increased, what is the effect on the frequency required to obtain a given number of loops
A stationary billard ball, with a mass of 0.17 kg, is struck by anidentical ball moving at 4.0 m/s. What is the velocity of each ball after the collision
for 140 kev gamma rays the mass attenuation coefficients for hydrogen and oxygen are 0.26 and 0.14 cm2g respectively.
The plot below shows the acceleration of a mouse in a long, straight burrow as a function of time; the velocity and the x-coordinate of the mouse at time t=0 are both zero. find the velocity of the mouse at time t=2s
A 3 meter long 200kg steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction.
q1. according to the guinness book of world records 1990 edition p. 169 the highest rotary speed ever attained was 2010
The fastest possible rate of rotation of a planet is that for which the gravitational force on material at the equator barely provides the centripetal force needed for the rotation. evaluate the shortest period of rotation
A 2.5kg block slides along a frictionless surface at 1.6m/s. A second block, sliding at a faster 4.0m/sPh, what was the mass of the second block
John who is ice skating eastward collides with Mary who is ice skating northward. What was John's initial speed
Use the work-energy theorem to find out how high it will be when its speed has been reduced to half of its initial value. Please provide step-by-step process.
a car traveling on a downhill grade has a grade resistance of -145lb. what is the weight of the car? which has the
A cart of mass 1.8kg rolls without friction on a track. At point A the cart is moving at 6.0m/s. What work was done by friction
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