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An object with mass 3.0kg is executing simple harmonic motion, attached to a spring with spring constant 320N/m. When the object is 0.023mfrom its equilibrium position, it is moving with a speed of 0.40m/s .
a. Calculate the amplitude of the motion.
b. Calculate the maximum speed attained by the object.
The system shown below has frictionless pulleys and the string have negligible mass. what is the speed of the objects when they are at the same height
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Assume that plane continues to fly with the similar velocity
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A barbell spins around a pivot at its center at A. The barbell consists of two small balls, each with mass 400 grams (0.4 kg), at ends of a very low mass rod of length d = .6 m. The barbell spins clockwise with angular speed 20 radians/s.
What velocity would a proton need to circle Earth 1400 km above the magnetic equator, where Earth's magnetic field is directed horizontally north and has a magnitude of 4 x10-8 T .
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