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Question: The Young's modulus of nickel is Y = 2 x 1011 n/m2. It's molar mass is 0.059 kg and its density is 8900 k/m3. Given bar of nickel of length 18 m.
Part A: What time does it take for sound waves to propagate from one end to the other? Avogadro's number is 6.02 x 1023 atoms.
Answer in units of s
Please provide a detailed response this is a practice test question so I have the answer just cannot figure out how to get to it.
An 9.00 {rm kg} point mass and a 15{rm kg} point mass are held in place 50{rm cm} apart. A particle of mass m is released from a point between the two masses 19{rm cm} from the 9{rm kg} mass along line connecting the two fixed masses.
Consider the driven, damped harmonic oscillaror discussed. (a) Calculate the power dissipated by the damping force. (b) Calculate the average power loss, using the fact that the average of sin2( ?t+?) over a cycle is one-half.
q1. fuel aboard a rocket has a density of 2770 kgm3 and is ejected with a speed of 3270 ms. if the engine is to provide
A fireworks rocket is launched vertically upward at 40 m/s. At the peak of its trajectory, When does the second fragment reach the ground
A 6.0 ohm and 12.0 ohm resistor are connected in series to a 36V battery. what is the current through each resistor
A 7.80-g bullet moving at 560 m/s penetrates a tree trunk to a depth of 5.2 cm. Use work and energy considerations to find the average frictional force that stops the bullet
LASIK eye surgery uses pulses of laser light to shave off tissue from the cornea, reshaping it. what is the intensity of the light wave
A narrow tube open at one end has varibale length. When a vibrating tuning fork is held near one end, What is a possible frequency of the tuning fork
Jupiter has a radius of 71,492km and a mass of 1.9x10^27 kg. Jupiter's moon has a mass of 9x10^22kg, How long does it take the moon to complete one orbit
During an earthquake, the top of a building oscillates with an amplitude of 32cm at 1.3Hz. What is the maximum acceleration of the top of the building
Two small non conducting spheres have a total charge of Q=Q1+Q2= 95.0 uC , Q1
Two ice skaters, with masses of 30kg and 85kg, are at the center of a 40m -diameter circular rink. how long does the lighter skater take to reach the edge
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