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A harmonic wave is traveling along a rope. It is observed that the oscillator that generates the wave completes 40 vibrations in 35.0 second. Also, a given maximum travels 420 centimeter along the rope in 7.0 second. Evaluate what is the wavelength?
__________cm
A textbook of mass 2.10 rests on a frictionless, horizontal surface. A cord attached to the book passes over a pulley whose diameter is 0.180 , to a hanging book with mass 2.92. find the mmoent of inertia of the pulley about its rotation axis
11.0 of aluminum at and 22.0 of copper are dropped into 49.0 of ethyl alcohol at . The temperature quickly comes to 25.0. What was the initial temperature of the copper
In theclassical model of conduction, the electron loses energy on averagein a collision because it loses the drift velocity it had picked upsince the last collision. Where does this energy appear
What range is appropriate
A stone is thrown horizontally at 45.0 m/s from the top of a very tall cliff. Calculate its horizontal position and vertical position at 2.00 m intervals for the first 10.0 m
An electron starts from rest 43.1cm from a fixed point charge with -0.150nC. How fast will the electron be moving when it is very far away
A short mild steel column with fixed ends has a cross section of 100mm by 50mm. Assuming a safety factor of 6 calculate the load that it can safely support?
The driver of an 1800 kg car travelling at 23 m/s slams on the brakes, locking the wheels on the dry pavement. The coefficient of kinetic friction between rubber and dry concrete is typically 0.700.
Vertically polarized light with intensity Io is normally incident on an ideal polarizer. As the polarizer is rotated, the intensity I of light transmitted through the polarizer varies with the orientation of the polarizer (Θ), where Θ = 0 corresponds..
A high-voltage transmission line with a resistance of 0.345 ?/km carries a current of 1.45 kA. What is the power loss due to resistance in the line
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 17.0 m/s at an angle 33.0 degrees; What is the distance between the two girls
Given that hbar = 1.055*10^-34 J*s, find the wavelength in nm of light emitted from a hydrogen atom when its electron moves from the n=6 state to the n=2 state. What is the minimum uncertainty in the momentum of the electron
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