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Ropes utilized in rock climbing are "springy" so they cushion a climber's fall. A particular rope has a force law given by F=-kx +bx^2, where k=223 N/m, b=4.1 N/m^2 and x is the amount of stretch? Discover the potential energy stored in this rope when it's been stretched 2.62m, taking U=0 at x=0.
A tennis ball is hit with a speed of 27 m/s at an angle of 45o. It lands on the flat roof of a 13-m-tall building. What is its velocity at landing
The drawing shows two situations in which charges are placed on thex and y axes. They are all located at the samedistance of 2.3 cm from the origin O. For each of the situations inthe drawing, determine the magnitude of the net electric field atthe o..
a 125-kg including all the contents rocket bas an engine that produces a constant vertical force the thrust of 1720 n.
A projectile is launched from ground level to the top of the cliff which is 195m away and 155m high. If the projectile lands on top of the cliff 7.6s after it is fixed. Discover the initial velocity of the projectile (magnitude and direction) Neglect..
Water is moving with a speed of 4.7 m/s through a pipe with a cross-sectional area of 4.3 cm2. The water gradually descends 7 m as the pipe increases in area to 8.2 cm2.
A person who weighs 624 N is riding a 90.8 N mountain bike. what is the area of contact between each tire and the ground
Find out an acceleration of mass and tension in the string
the only force acting on a 1.8 kg body as it moves along the positive x axis has an x component fx - 6x n where x is
A thin stick is placed along the x axis so that one of its ends is at x1 = 0.00 m and the other one at x2 = 1.35 m. The stick has a non-uniform mass density ?(x) = ax b, where a = 0.349 kg/m2 and b = 0.317 kg/m. What is the coordinate of the center o..
A model airplane of mass 0.870 kg is flying at constant speed in a horizontal circle at one end of a 28.0 m cord and at a height of 17.0 m. What is the acceleration of the plane
a sealed tank containing seawater to a height of 10.0 also contains air above the water at a gauge pressure of 3.25 .
A package falls out of an airplane that is flying in astraight line at a constant altitude and speed. If you could ignorethe air resistane, what would be the path of the package asobserved by the pilot
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