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A 1.6 kg block slides along a frictionless surface at 1.0 m/s . A second block,...

A 1.6 kg block slides along a frictionless surface at 1.0 m/s . A second block, sliding at a faster 4.4 m/s , collides with the first from behind and sticks to it. The final velocity of the combined blocks is 2.5 m/s .

Part A

What was the mass of the second block?

Express your answer to two significant figures and include the appropriate units.
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Answer #1

ų. 1.6 ų.ym-2-ς m- 1.9 m =24 m= 1.3

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