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A 12.0 g rifle bullet is fired with a speed of 740 m/s into a ballistic pendulum with a mass of 8.00 kg, suspended from a light and long cord. Ignore air resistance. Compute the initial kinetic energy of the bullet Compute the kinetic energy of the bullet and block after the bullet got stuck in the block Compute the max height through which the block would rise?
A violin string tuned to 485.0 Hz is found to exhibit 3.5 beats per second with a guitar string. What was the original frequency of the guitar string
The two blocks, m1 = 1.40 kg and m2 = 5, are connected by a mass less rope that passes over a pulley. The pulley is 12 cm in diameter and has a mass of 2.0 kg.
A boat's mast is held by two cables, one attached to the front of the ship and the other to the back. What is the force acting upwards on the mast exerted by the boat at the bottom of the mast
People who do chin-ups raise their chin just over a bar (the chinning bar), supporting themselves only by their arms. Find the force his arms must exert on him during the accelerating part of the chin-up
Derive an equation for specific gravity in terms of the ry sample weight and the apparently lighter submerged weight, Calulate the specific gravity of each sample
Three capacitors of 2.0, 9.0, and 15.0? F are joined together in parallel. What is their equivalent capacitance
A piston, A, as shown below, has a diameter of 0.54cm. A second piston, B has a diameter of 3.7 cm. find the force, F, necessary to support the 500N weight in the absence of friction.
f the U.S. demand for electricity continues to grow at about 2% per year, how many more MWe would be needed to meet that demand in 10 years, What fraction of our present use of natural gas is this
q1. a diffraction grating with exactly 1000 lines per centimeter is illuminated by a he-ne laser of wavelength 683
A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 8..00 m/s at an angle of 20.0 below the horizontal, Find the height from which the ball was thrown
Two thin lenses with a focal length of magnitude 12.0cm , the first diverging and the second converging, are located 9.00cm apart. What is the height of the final image
A thermodynamic system undergoes a process in which its internal energy increases by 480 J. find the energy transferred to or from it by heat
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