Calculate the x-component of vector
The magnitude of vector vector A is 31.6 units and points in the direction 321° counterclockwise from the positive x-axis. Calculate the x-component of this vector.
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How long does it take for the last car to to come to rest momentarily? How far did the last car travel before momentarily coming to rest?
A 59 kg skier encounters a dip in the snow's surface that has a circular cross section with a radius of curvature of 12 m. If the skier's speed at point A as shown below is 7.0 m/s, what is the normal force exerted by the snow on the skier at poin
A 1700 kg car traveling at a speed of 19 m/s skids to a halt on wet concrete where f_k = 0.60. how long is the cars skid marks?
The emf and the internal resistance of a battery are shown in the figure. If a current of 7.8 A is established through the battery from b to a, what is the terminal voltage Vab of the battery?
A 28 gram rifle bullet traveling 230 m/s buries itself in a 3.6 kg pendulum hanging on a 2.8 m long string, which makes the pendulum swing upward in an arc. Determine the vertical and horizontal components of the pendulums displacement.
How many different disulfide pairing arrangements are possible? Derive a general formula for the number of different pairing arrangements when there are n cysteins.
The weight of a certain crown in air is 14 N and its weight in water is 12.7 N. assuming that the uni weight of water is 9.79 KN/m3 and the crown is an alloy of gold (sp. gr. =19.3) and silver (sp. gr. = 10.5), compute the fraction of silver in th
Water at a pressure of 3.4 atm at street level flows into an office building at a speed of 0.5 m/s through a pipe 7 cm in diameter. The pipes taper down to 2.6 cm in diameter by the top floor, 28 m above. Calculate the water pressure in such a pip
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