physics (momentum)
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a 2.00 kg object has a velocity of 4.00i 3.00j m/s. What is the kinetic energy at this moment? What is the net work done on the object if its velocity change 6.00i +2.00j m/s
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At time t1 = 2.00 s, the acceleration of a particle in counterclockwise circular motion is (9.00i + 8.00j) m/s^2. It moves at constant speed. At time t2 = 3.00s (3/4 of a revolution later), it's acceleration is (8.00i  9.00j)
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