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nataly862011 [7]
3 years ago
12

PLEASE HELP!! WILL GIVE POINTS

Physics
1 answer:
AURORKA [14]3 years ago
3 0

Answer:

49 kg is the mass of the couch.

Explanation:

GPE = mgh

9800 = m * 10 * 20

9800 = 200m

m = (9800/20) = 49 m

Thenks and mark me brainliest :))

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