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An object with mass 3.8{\rm kg} is attached to a spring with spring stiffness constant 220{\rm N/m} and is executing simple harmonic motion. When the object is 2.1×10?2{\rm m} from its equilibrium position, it is moving with a speed of 0.55 {\rm m/s}. Calculate the amplitude of the motion. Express answer in meters. Calculate the maximum velocity attained by the object.
[Hint: Use conservation of energy.] Express answer in meters per second
What is the acceleration of the crate.Describe a procedure to investigate the factors.
The gravitational acceleration on the surface of Mercury is 0.38 times that of Earth. What is the ratio of the density of Mars to that of Earth
A train is moving parallel and adjacent to a highway with a constant speed of 23 m/s. Initially a car is 57 m behind the train, What is the speed of the car just as it passes the train
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An early model for an atom considered it to have a positively charged point nucleus of charge Ze, surrounded by a uniform density of negative charge up to a radius R. The atom as a whole is neutral. F
What is mass of the block of ice
In an experiment of centripetal force you have a rotating mass of 500 grams, which is at 5 cm from the axis of rotation. Calculate the angular velocity of the rotating mass
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A beam of light is incident on a plane mirror at an angle of 32 degrees relative to the normal. What is the angle between the reflected rays and the surface of the mirror?
questiona person bending forward to lift a load with his back rather than with his knees can be injured by large forces
Mike is a 70 kg pole-vaulter. He falls froma peak height of 5.9 m after pole vaulting over a crossbar set at that height. He lands on a thick mat. What average force was exerted by the mat on Mike during this impact
A small radio operates on 3.00 V and has a resistance of 15 coulomb. At what rate does the radio use electric energy.
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