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1) What is the spring stiffness of the entire wire, considered as a single macroscopic (large scale), very stiff spring?
2) How many side-by-side atomic chains (long springs) are there in this wire? This is the same as the number of atoms on the bottom surface of the nickel wire. Note that the cross-sectional area of one nickel atom is (2.23 10-10)2 m2.
3) How many interatomic bonds are there in one atomic chain running the length of the wire?
As a function of time, the velocity of the football can be written as . (If the acceleration of an object is constant, its average acceleration is the same for all time periods.) Calculate the average acceleration vector of the football for the ti..
Light from an argon laser strikes a diffraction grating that has 5 310 grooves per centimeter. calculate vthe wavelength of the laser light
A swimmer looks upward from the bottom of a 3.5-m-deep swimming pool. How far from the swimmer does the board appear to be
An oscilloscope shows a steady sinusoidal signal of 5 Volt peak to peak, which spans 5 cm in vertical direction on the screen. What will be observed on the oscilloscope screen
question1an 8.0 meter uniform ladder of weight 355 n leans next to a smooth vertical wall at an angle 50 degrees with
The temperature of the air in a resonator is 15°C, when a tuning fork vibrates at one end, the spacing between tow successive resonances is found to be 50 cm. find the frequency of the tuning fork.
A 2100 kg truck traveling north at 41 km/h turns east and accelerates to 54 km/h, What is the change in the truck's kinetic energy
The large blade of a helicopter is rotating in a horizontal circle. The length of the blade is 6.64 m, Find the ratio of the centripetal acceleration at the end of the blade to that which exists at a point
q1. a solenoid is to be constructed that will have a resistance of 5.00 ohms and produce a magnetic field of 0.0400 t
A 43.0kg seal at an amusement park slides from rest down a ramp into the pool below. what is the work done by kinetic friction
The partnership earnings before partners' withdrawals for 2005 totaled $484000. Calculate José's gross income from the partnership from the above for 2005.
Two waves traveling on a string in the same direction both have a frequency of 236 Hz, a wavelength of 0.40 m, and an amplitude of 0.14 m. What is the phase difference between the two waves
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