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A 10 kg object is moving at 6.36 m/s. The object passes 3m over rough surface with a frictional force of 20 N. The object then travels down a track and strikes a spring with a constant force of 2500N/m. How far does the object compress the spring.
consider children playing on a merry go around that is 6m in diamter turning at 10 revelutions per minute. what will
Two vectors have magnitudes of 10m and 15 m. The angle between them when they are drawn with their tails at the same point is65?. What is the component of the longer vector along the line of the shorter?
A 2.95-kg block initially at rest at the top of a 3.69-m incline with a slope of 42.7° begins to slide down the incline. How fast is the block moving at the bottom of the incline
Two converging lenses, each of focal length 14.2 cm, are placed 59.9 cm apart, and an object is placed 26.6 cm in front of the first. determine the magnification of the system
The electric potential at a position located a distance of 19.5 mm from a positive point charge of 8.10x10-9C and 10.3 mm from a second point charge is 1.30kV
A step-down transformer is used for recharging the batteries of portable devices. calculate rms output voltage of the transformer
A certain pipe has resonant frequencies of 240 Hz, 400 Hz, and 560 Hz, with no other resonant frequencies between these values. What is the fundamental frequency of this pipe
A 2 kg mass dropped 2.0 m above a spring with a spring constant of 40.0 N/m. How much does the spring compress
Two identical 1.70kg masses are pressed against opposite ends of a spring of force constant 1.70N/cm, Find the maximum speed of each mass when it has moved free of the spring on a smooth
the potential energy for the force between two atoms in a diatomic molecule has the approximate form vx -ax6 bx12
(a) Calculate the lowest energy of the electron in He+. Is it lower than that of H (b) If this electron absorbs a photon and makes a transition to the 2p orbital
An 20cm--long bicycle crank arm, with a pedal at one end, is attached to a 25cm--diameter sprocket, What is the tangential acceleration of the pedal
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