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Author Question: A parachutist of mass 50.0 kg jumps out of an airplane at a height of 800 m. The parachute deploys, ... (Read 45 times)

ARLKQ

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on: Jul 28, 2018
A parachutist of mass 50.0 kg jumps out of an airplane at a height of 800 m. The parachute deploys, and she lands on the ground with a speed of 5.0 m/s. How much energy was lost to air friction during this jump?
 a. 49,400 J
  c. 391,000 J
  b. 98,700 J
  d. 489,000 J

Question 2

Entropy is a measure of the _____ of a system.
 a. disorder
  c. heat
  b. temperature
  d. internal energy


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iceage

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Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

A


ARLKQ

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  • Posts: 571
Reply 2 on: Jul 28, 2018
Wow, this really help

at

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  • Posts: 359
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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