Centripetal acceleration of the car
An Indy car with a speed of 125 km/h goes around a level, circular track with a radius of 1.30 km. What is the centripetal acceleration of the car?
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A simple harmonic oscillator consists of a block of mass 2.20 kg attached to a spring of spring constant 260 N/m. When t = 1.60 s, the position and velocity of the block are x = 0.128 m and v = 3.170 m/s. (a) What is the amplitude of the oscillat
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