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A 1.80 kilogram block slides on a rough, horizontal surface. The block hits a spring with a speed of 1.80 m/s and compresses it a distance of 11.0 centimeter before coming to rest. If the coefficient of kinetic friction between the block and the surface is μk = 0.560, evaluate what is the force constant of the spring?
N/m
a sledge loaded with bricks has a total mass of 17.7 kg and is pulled at constant speed by a rope inclined at 19.5deg
A flat conductor of thickness 0.500 mm is placed in a magnetic field of 0.200 T perpendicular to the flat surface. what is the Hall voltage generated when 3.40 A flows along the conductor
A 17-{\rm m}-long vine hangs verticallyfrom a tree on one side of a 10-{\rm m}-wide gorge, At what minimum speed must he be running
A commuter airplane starts from an airport and takes the routeshown in fig. p3.13. the plane first flies to city A, located 275km away in a direction 30.0 degrees north of east. Next it fliesfor 170.0 km in a direction of 20.0 degrees west of nort..
A 4.0 kg ball is located at x= 4.0m, y= 0m. A 6.0 kg ball is located at x= 2.0m, y= 4.0m, and a 3.0 kg ball s located at x= -1.0m, y= -2.0m. obtain the location of the center of the mass of this system
A large research balloon containing of helium gas at 1.00 and a temperature of 15.0 rises rapidly from ground level to an altitude at which the atmospheric pressure is only 0.900, What is the change in internal energy of the helium
question explain why the two lines on your graph should always cross at the frequency where xc r. find this frequency
question a large plane having uniform charge density has an electric field just outside the plane that points directly
An airplane must reach a speed of 189mi/h to take off. If the runway is 472m long, what is the minimum value of acceleration that will allow the airplane to take off successfully.
A pulley system is used to lift a piano 3.4 m. The acceleration of gravity is 9.81 m/s2 . If a force of 2315 N is applied to the rope as the rope is pulled in 17 m, what is the efficiency of the machine
Suppose that the separation between two speakers A and B is 4.40 m and the speakers are vibrating in-phase, What is the largest possible distance between speaker B and the observer,
On earth, two parts of a space probe weigh 14000 N and 3500 N. These parts are separated by the center-to-center distance of 8m and may be treated as uniform spherical objects. Find out the magnitude of the gravitational force that each part exerts o..
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