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A ball of mass 0.60 kg is fired with velocity 200 m/s into the barrel of a spring gun of mass 2.0 kg initially at rest on a frictionless surface. The ball sticks in the barrel at the point of maximum compression of the spring. No energy is lost to friction. What fraction of the ball's initial kinetic energy is stored in the spring?
A constant, uniform magnetic field directed into this sheet exists in the region to the right of the y axis. Calculate the radius of the particles path
A horizontal block-spring system with the block on a frictionless surface has total mechanical energy E = 49.2 J and a maximum displacement from equilibrium of 0.280 m.
Explorer is caught in a whiteout (in which snowfall is so thick that the ground cannot be distinguished from the sky) as returning to base camp.
an object is at a distance d to the left of a flath screen. A converging lens with focal length f
A constant net force of 75N acts on an object initially at rest as it moves through a parallel distance of 0.60m. What is the final kinetic energy of the object
The entire string is 2.00m long and has a mass of 400-g. The vibrating section of the string is 1.90m long. What tension is needed to tune this string properly.
A horizontal ray of light falls on a vertical plane mirror free to turn about the horizontal axis. If the mirror turns through 20o, by what angle does the reflected ray turn.
Horseshoe bats (genus Rhinolophus) emit sounds from their nostrils, then listen to the frequency of the sound reflected from their prey to determine the prey's speed. calculate the speed of the insect
questiona solenoidal coil with 24 turns of wire is wound tightly around another coil with 350 turns. the inner solenoid
A star of mass 1.85×1031 kg and diameter 8.20E+9 m rotates with a period of 27.0 days. what is the new diameter of the star
An RL series circuit has R = 72.0? and L = 2.20mH . The series combination is connected across a 155V (rms), 58Hz power supply. Find the impedance of the RL combination
A sphere of radius r =34.5 cm and massm = 1.80 kg starts from rest and rolls without slipping down a 30.0? incline that is 10.0 m long. Calculate its translational speed when it reaches the bottom
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