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In an experiment in physics class, a model solid-fueled rocket is fired vertically with an acceleration of 3 m/sec2 for 6 seconds. After that time, it's fuel is exhausted and it continues upwards as a free fall particle. (Take upwards to be the positive direction.)
a) What is the maximum altitude the rocket reaches?
b) What is the rocket's acceleration 7.5 seconds after launch?
c) What is the total time of flight?
d) What is the rocket's total displacment during the entire flight?
A ball swings in a vertical circle at the end of a rope 1.40 m long. When the ball is 35.5° past the lowest point on its way up, Determine the magnitude of its radial acceleration
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A 0.498 kg air cart is attached to a spring and allowed to oscillate. Calculate the maximum kinetic energy of the cart
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