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A mountain climber, in the process of crossing between two cliffs by a rope, pauses to rest. She weighs 576 N. As the drawing shows, she is closer to the left cliff than to the right cliff, with the result that the tensions in the left and right sides of the rope are not the same. Find the tensions in the rope to the left and to the right of the mountain climber. (From the figure a = 66.0° and ß = 86.5°.)
Find out altitude of the airplane
Your starship, the Aimless Wanderer, lands on the mysterious planet Mongo. how many hours will it take the ship to complete one orbit
An aquarium contains a 5 - cm layer of water ( n = 1.333) floating on top of carbon tetrachloride ( n = 1.461) what is the angle of refraction into the air
When a 0.213-kg mass is attached to a vertical spring it causes the spring to stretch a distance d. Find the stretch distance, d
In the fastest measured tennis serve, the ball left the racquet at 73.14 {\rm{ m/s}}. How far did the ball travel during the serve
An athlete swings a 3.90-kg ball horizontally on the end of a rope. The ball moves in a circle of radius 0.840 m at an angular speed of 0.670 rev/s. What is the tangential speed of the ball
An electromagnetic wave in a vacuum has a maximum magnetic field amplitude of 5.67×10?7 T. What is the maximum electric field amplitude of the wave
A 1000 kg car is traveling at a speed of 20 m.s-1 east and a 1200 kg car is traveling at 22 m.s-1 west. What is the velocity of the second car measured from the center of mass reference frame of the system?
A cylinder of solid material weight 10.5 kg i the air, and 9.00 kg when submerged in water and 3 kg when submerged in another liquid. determine the density of the cylinder
A 0.170 kg tumour is being irradiated by a radioactive source. Each decay of the radioactive source produces a particle with an energy of 0.450 MeV. find the activity of the radioactive source
A very tall flagpole, temporarily charged uniformly by lightning, What is the linear density of the charge on the flagpole
When at rest, two trains have sirens that emit a frequency of 300 Hz. The trains travel toward one another and toward an observer stationed between them. What is the speed of the second train
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