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a 49 kg pile of snow travels on ice to the right with a velocity of...

a 49 kg pile of snow travels on ice to the right with a velocity of 42.4 mph and then a second pile of snow weighs 100 kg travelling towards the first clay also at 42.4 mph. what is the final velocity of the combined pile of snow? type of collision?
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Answer #1

Mass of first pile of snow

Inital velocity of first pile of snow

Mass of second pile of snow

Initial velocity of second pile of snow ( negative sign indicates its direction is opposite to the direction of  first pile )

Conserving the linear momentum of two piles of snow,

Combined velocity of two masses is

Final velocity of combined pile of snow is and its direction is in the initial direction of second pile of snow.

The collsion is an inelastic collision.

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