A rescue helicopter lifts a 81.9-kg person straight up by means of a cable. The person...

70.2K

Verified Solution

Question

Physics

A rescue helicopter lifts a 81.9-kg person straight up by meansof a cable. The person has an upward acceleration of 0.646 m/s2 andis lifted from rest through a distance of 8.59 m. (a) What is thetension in the cable? How much work is done by (b) the tension inthe cable and (c) the person's weight? (d) Use the work-energytheorem and find the final speed of the person. Please include alldecimal points in answer! Thank you!

Answer & Explanation Solved by verified expert
4.4 Ratings (959 Votes)
Newtons famous second law tells us that Fma Force equals mass times acceleration In the case of the rescued person m 819 kg and a 0646 ms2 Therfore we have F 529074N a Only two forces act on the person here gravity and tension in the cable We know    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students