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A man pulls a block of mass m = 23 kg up an incline at a slow constant velocity for a distance of d = 5.5 m. The incline makes an angle q = 29° with the horizontal. The coefficient of kinetic friction between the block and the inclined plane is µk = 0.1.At the top of the incline, the string breaks and the block, assumed to be at rest when the string breaks, slides down a distance d = 5.5 m before it reaches a frictionless horizontal surface. A spring is mounted horizontally on the frictionless surface with one end attached to a wall. The block hits the spring, compresses it a distance L = 0.5 m, then rebounds back from the spring, retraces its path along the horizontal surface, and climbs up the incline.d) How far up the incline d1 does the block rebound?
The electric potential in a certain area is given as: V = 3x^2 + 5yz. what is the electric field in the area
A body is traveling at 5.70 m/s along the positive direction of an x-axis. No net force acts on the body. What is the speed of the forward part
A typical human eye is nearly spherical and usually about 2.5 cm in diameter. Find the approximate size of each image (coin and friend) on her retina
In a RLC series circuit, the resistor is 250 ohms, inductor is 0.6 H, capacitor is 3.5 micro Farads. What is the maximum voltage drop across the capacitor
Two objects with masses 5.30 and 2.50 hang 0.800 above the floor from the ends of a cord 8.00 long passing over a frictionless pulley. Find the maximum height reached by the 2.50 object
A particle moves horizontally in uniform circular motion, over a horizontal xy plane, What are the coordinates of the center of the circular path
A physics professor requires reading glasses with +1.6 D power toread a book held 39.1 cm away with a relaxed eye. Assume theglasses are 2.5 cm in front of his eyes. What is his uncorrected far point
A double convex lens has equal curvature radii of 35 cm. What is the refrative index of the lens
A gamma ray disappears in the process of creating an electron-positron pair. If the kinetic energies of the electron and positron are each 2.0 MeV, what was the energy of the gamma ray
The center of mass of a system consisting of two spheres is moving in the +x direction with a speed of 6.6 m/s. What is the total momentum of the system
A transverse sinusoidal wave on a string has a period T = 25.0 ms and travels in the negative x direction with a speed of 30.0 m/s. At t = 0, What is the initial phase angle
q1. a vaulter holds a 31.67-n pole in equilibrium by exerting an upward force u with her leading hand and a downward
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