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After a fall, a 96 kg rock climber finds himself dangling from the end of a rope that had been 17 m long and 9.9 mm in diameter but has stretched by 3.1 cm. For the rope, calculate (a) the strain, (b) the stress, and (c) the Young's modulus.
FM station KCOM transmits simultaneously, at a frequency of 99.9 MHz, from two broadcast towers placed precisely 31.5 m apart along a north-south line. What is the wavelength of KCOM's transmissions
A playground is on the flat roof of a city school, 5.9 m above the street below (see figure). The vertical wall of the building is h = 7.40 m high, Find the speed at which the ball was launched
What is the tension in the rope connecting the two boxes? What is the tension in the rope connecting the first box to the ramp?
A spherical Christmas tree ornament is7.18 cm in diameter.What is magnification of the image ofan object placed 8.6 cm away from the ornament.
As part of a class project you are given 0.900 g of nichrome and asked to fabricate a wire with uniform cross-section. What length of wire do you end up with
a frictional incline is 25.0 meters long with an angle of 36.9o above the ground. a block of mass 10.0 kg slides down
A musician plays a string on a guitar that has a fundamental frequency of 330.0 Hz. The string is 65.2 cm long and has a mass of 0.268 g. At what speed do the waves travel on the string
When a high-power laser is used in the Earth's atmosphere, the electric field associated with the laser beam can ionize the air, What laser beam intensity will produce such a field
Kris contributed property with a FMV of $90,000 and a basis of $35,000. Pasha has a 10% interest in the partnership and Kris has a 90% interest. Illustrate what is Pasha's basis in the partnership as of December 31?
a soccer ball is kicked simultaneously by bryan and anthony. bryon kicks with 700 N force to the west while anthony kicks with 800 N force to the north. calculate the net force acting on the ball
Two long, straight wires are parallel and are separated by a distance of d = 0.230 m, The top wire in the sketch carries current I1 = 3.80 A, toward the right, and the bottom wire carries current I2 = 7.00 A, what are the magnitude and direction of t..
A served tennis ball is typically in contact with the racquet for 30 ms and starts from rest. In the fastest serve recorded, How far did the ball travel during the serve
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