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Use a computer to plot the function xne-x, and the Gaussian approximation to this function, for n = 10, 20, and 50. Notice how the relative width of the peak (compared to n) decreases as n increases, and how the Gaussian approximation becomes more accurate as n increases. If your computer software permits it, try looking at even higher values of n.
An archaeologist finds Carbon-14 in a sample of 3.10g of material to be decaying at 107 counts per second. A modern 1.00g sample of the same material decays at 151 counts per second. How old is the sample? (Half-life of Carbon-14 is 5730)
you are given a slide with two slits cut into it and asked how far apart the slits are. you shine white light on the
A pump discharges water at a rate 100kg/s with a guage pressure of 2atms. the flow is transported by a 10 cm diameter pipe up to an elevation of 5m
A ball is tossed directly upward at an initial speed of 5.7 meter per second and is caught when it falls back down to the thrower's hand, Determine the average speed for the ball journey
A 80 kg man is ice-skating due north with a velocity of 6.0 m/s when he collides with a 35 kg child. What is the direction of the child's velocity just before the collision
A wheel rotating about afixed axis through its center has a constant angular accelerationof 9.9 rad/s2. In a certain 7.0 s interval the wheelturns through an angle of 320 rad.
A 62.0 kg bungee jumper jumbs from a brigde. She is tied to a bungee cord whose unstretched length is 12.0 m, and falls a total of 31.0 m. Calcule the spring constant k of the bungee cord
You perform the double slit experiment using a slide with 0.04 mm slits. You choose to use the double slit with a 0.250 mm separation and set the slide up 1.25 m from the screen. What should the spacing between two dark bands be now
a point charge q is placed at the origin. a second charge 2q is placed on the x axis at x -3.0 m. if q 50 muc what is
A projectile is launched with initial speed of 60 m/s at an angle of 30 degrees above horizontal. the projectile lands on hillside 4 seconds later. what is velocity at the highest point of trajectory
Scientists at Davis discovered two new substances Aggieum(Ai) and Cyclerium(Cy) .In an experiment the scientists place 1kg of Aggieum initially at 100° C with Cyclerium initially at310°C in an insulated container. Once the two substances come to ther..
The mass of the Space Shuttle orbiter is 8.8 x 104 kgand the period of its orbit is 82 minutes. Estimate thekinetic energy of the orbiter and the work done on it by gravitybetween the launch and orbit.
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