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You hang a heavy ball with a mass of 12 kg from a gold wire 2.6 m long that is 2 mm in diameter. You measure the stretch of the wire, and find that the wire is stretched .001239 m.
a). Calculate Young's modulus for the wire.
b). The atomic mass of gold is 197 g/mole, and the density of gold is 19.3 g/cm^3. Calculate the interatomic spring stiffness of gold.
light with a wavelength of 600nm (6*10-^7m) strikes a single slit that is 0.5 mm (5*10^-4m) wide. How wide is the central bright fringe of this diffraction pattern
A 70kh man jumping from a window lands in an elevated firerescue net 11.0 m below the window. find the leastic potential energy of the net when it is stretched by 1.50 m
Two bicyclists begin to travel clockwise on a circular path of diameter D = 150.00 m with the constant speeds vA = 11.00 m/s and vB = 8.00 m/s, What is the total distance travelled by the pigeon
A charge -318e is uniformly distributed along a circular arc of radius 7.00 cm, which subtends an angle of 49o, What is the linear charge density along the arc
An alpha particle (the nucleus of a helium atom, with charge +2 and a mass four times that of a proton), What is the speed of the antiproton when the particles are 1.6 nm apart
A train horn is heard at a 50 dB level by an observer 10 km away. What is the average power generated by the horn
A space capsule measures the radiation pressure p1 a distance r1 from the center of a spherical light source. what will be the radiation pressure measures
two einstein solids are brought together so that they can exchange energy. solid a has 78 oscillators and solid b has
By using integral calculus, find the area of the region bounded by the graphs of y = x^2 and y = 4. (x and y are in meters.) Calculate the rotational inertia of this object when it is spinning around y-axis.
What is the maximum speed the car can have at point B for the gravitational force to hold it on the track.
Find the approximate mass of the dark and luminous matter in the Milky Way galaxy. Assume the luminous matter is due to approximately 1011 stars of average mass 1.5 times that of our sun
A projectile is shot from the edge of a cliff h = 105 m above ground level with an initial speed of v0 = 145 m/s at an angle of 37.0° with the horizontal. Find the maximum height above the cliff top reached by the projectile
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