2. A small disk of mass 2 kg is constrained to move in a circular path by a light rod of length 3. The linear velocity of the disk is 3 m/s. A piece of putty with a mass of 0.1 kg is dropped onto the disk. If the radius of the circular path remains constant, what is the linear velocity of the disk-putty system

Explanation:

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Answer: it will take   4.36 seconds to reach her average velocity 10.69 miles/hour.explanation:   we have equation of motion ,where s is the displacement, a is the acceleration, u is the initial velocity and t is the time taken.average velocity = displacement/ time taken.average velocity = 10.69 miles/hr = 10.69*1.6*1000/(60*60) = 4.75 m/s4.75 = s/ts = 4. 1we also have acceleration = 2.18 m/s², initial velocity = 0 m/sso it will take   4.36 seconds to reach her average velocity 10.69 miles/hour.