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Although California is known for earthquakes, it has large regions dotted with precariously balanced rocks that would be easily toppled by even a mild earthquake. The rocks have stood this way for thousands of years, suggesting that major earthquakes have not occurred in those regions during that time. If an earthquake were to put such a rock into sinusoidal oscillation (parallel to the ground) with a frequency of 2.30 Hz, an oscillation amplitude of 1.50 cm would cause the rock to topple. What would be the magnitude of the maximum acceleration of the oscillation, in terms of g?
Suppose the barrel has a length of 0.511 m and an opening whose radius is 2.55 x 10-3 m. A bullet (mass = 2.6 x 10-3 kg) has a speed of 433 m/s after passing through this barrel. Ignore friction and determine the average pressure of the expanding ..
With the switch open the ammeter reads 1.00 A. What is the resistance of resistor R2 to an appropriate precision and what is the potential difference across R2 when the switch is open?
A wire is attached to a ceiling and a brass ball. The tension on the wire is T=120N. What is the new weight of the ball
Find the wavelength of red light in glass if the index of refraction of glass is 1.66. Recall that the wavelength of red light in a vacuum is 700 nm
An archer shoots an arrow horizontally at a target 12 m away. The arrow is aimed directly at the center of the target, but it hits 56 cm lower. What was the initial speed of the arrow.
A helicopter is ascending vertically with a speed of 5.30{rm m/s}. At a height of 120 {rm m} above the Earth, package is dropped from a window.
A football player runs the pattern by the three displacement vectors, , and . The magnitudes of these vectors are A = 4.00 m, B = 18.0 m, and C = 16.0 m. Using the component method, find out the (1) magnitude and (2) direction of the resultant vec..
A 76kg student consumes 2500 Cal each day and stays the same weight. One day, he eats 3500 Cal and, wanting to keep from gaining weight, decides to "work off" the excess by jumping up and down.
In a vacuum, two particles have charges of q1 and q2, where q1 = +3.66 ?C. They are separated by a distance of 0.213 m,
What is the distance between town and johns present location
In order to find the density of an unknown material Susan measured the mass of a cube made out of this material and the length of its side
A block M1 of mass 16.50 kg sits on top of a larger block M2 of mass 26.50 kg which sits on a flat surface. The kinetic friction coefficient between upper and lower block is 0.405. The kinetic friction coefficient between the lower block and the f..
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