piggie558 piggie558
  • 29-03-2024
  • Physics
contestada

A car of mass 2,000 kg is lifted up a distance of 30 m by a crane in 1 minute. A second crane does the same job in 2 minutes. The power supplied by the second crane is:
A) 4900 W
B) 9800 W
C) 19600 W
D) 980 W

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