elisapesi8480 elisapesi8480
  • 23-01-2024
  • Physics
contestada

A parachutist after bailing out falls 80 m without friction. When the parachute opens, he decelerates downward with 5m/s⁽²⁾ and reaches the ground with a speed of 10 m/s.
(a) How long is the parachutist in air?

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