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A person drops a cylindrical steel bar (Y = 1.700 × 1011 Pa) from a height of 2.70 m (distance between the floor and the bottom of the vertically oriented bar).
The bar, of length L = 0.870 m, radius R = 0.00650 m, and mass m = 0.600 kg, hits the floor and bounces up, maintaining its vertical orientation. Assuming the collision with the floor is elastic, and that no rotation occurs, what is the maximum compression of the bar?
The link between portfolio level objectives with portfolio success factors that are achieved through individual projects and points out how contributes to strategic fit, use of synergies, etc.
A stationary horn emits a 113 Hertz tone. Find what frequency is heard by a passenger on a train which is moving towards this horn with a speed of 31.1m/s
Dave needs to get groceries from the store, which is a distance D = 1.1km east of his house. How long in seconds does it take dave to reach the store
A ball is thrown in a horizontal direction from the roof of a building with an initial speed of 20 m/s. How high is the building
determine a set of non-orthogonal base vectors a j k b i k and c i j.a establish their reciprocal vectors and
a spring contant k=11.75 N/m is hung vertically. What is the displacement of the end of the sprig due to the weight of the 0.500kg mass
An electron drops from n=3 to n=1 in this atom. What is the wavelength in nanometers of the photon emitted in the process? Planck's constant h = 6.626 x 10-34 Joule-sec, 1eV = 1.6 x 10-19 Joules
The specific gravity of a solution of KOH at 15 C is 1.0824 and contains 0.813 lb KOH per gal of a solution. What are the mass fractions of KOH
A football is kicked at a velocity of 42 m/s with an angle of 61 degrees to the ground.
A double-slit experiment is performed using a helium-neon laser, with wavelength of 632.8 nanometer. Find what is the width of the central bright fringe
A proton has a speed of 0.80c.Calculate the rest energy of the proton. Calculate the total energy of the proton
Light of wavelength = 545 nm passes during a pair of slits that are 310 µm apart and travels to a screen 7.0 m away. How far from the center of the pattern is the second interference minimum?
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