A puck of mass 50.0 g and radius 4.00 cm slides along an airtable at a speed of

Question

A puck of mass 50.0 g and radius 4.00 cm slides along an airtable at a speed of 1.50 m/s. It makes a glancing collisionwith a second puck of radius 6.00 cam and mass 150g (initially atrest) such that their rims just touch and they stick togetherbecause their rims are coated with instant-acting glue. Ignore any frictino between the pucks and air table. A) Find the center of mass of the system relative to thecenter of the larger puck. B) Find the total rotational inertia of the system relative tothe center of mass. C) What does the resultant motion look like? I think I can figure out B and C, but I have no clue how to dopart A. I have scoured the text and the internet and am at aloss.... A puck of mass 50.0 g and radius 4.00 cm slides along an airtable at a speed of 1.50 m/s. It makes a glancing collisionwith a second puck of radius 6.00 cam and mass 150g (initially atrest) such that their rims just touch and they stick togetherbecause their rims are coated with instant-acting glue. Ignore any frictino between the pucks and air table. A) Find the center of mass of the system relative to thecenter of the larger puck. B) Find the total rotational inertia of the system relative tothe center of mass. C) What does the resultant motion look like? I think I can figure out B and C, but I have no clue how to dopart A. I have scoured the text and the internet and am at aloss....

Explanation / Answer

m = 50.0 g, r = 4.00 cm, M = 150 g, R = 6.00 cm x = m(R + r)/(m + M) = 2.50 cm

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