music4life2007 music4life2007

16-01-2023
Physics

contestada

a 4.5 kg firework exploded into two pieces, which fly horizontally in opposite directions. Piece 1 has a mass of 0.5 kg and a velocity of -48 m/s. Piece 2 has a mass of 4.0 kg.

What is the velocity of piece 2?
a. 6 m/s
b.-6 m/s
c. 5 m/s
d.-5 m/s

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