Question

3. At a ski resort a chair lift takes skiers up a 30° hillside to an elevation of 180 m as shown in figure 1. How much horsepower must the engine have to pull 50 skiers at a time, at a speed of 4.0 m/s, if the average mass of each skier and their equipment is 82 kg each and the frictional energy loss is 3.6MJ (Mega-Joules)? Hint: Power-Work/time
0 0
Add a comment Improve this question Transcribed image text
Answer #1

height h190 hm aungo - 38 Sino Sin 30 d 360 m avenge mots m = f2 kg time abentdistoe 36o ny uomls ヒ= ao Sec W1o. 840T Power P

Add a comment
Know the answer?
Add Answer to:
3. At a ski resort a chair lift takes skiers up a 30° hillside to an...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • One of the chair lifts at a ski resort unloads 1800 skiers per hour at the...

    One of the chair lifts at a ski resort unloads 1800 skiers per hour at the top of the slope. The ride from the bottom to the top takes 12 minutes. How many skiers are riding on the lift at any given time?

  • In 2.0 minutes, a ski lift raises 4 skiers at constant speed to a height of...

    In 2.0 minutes, a ski lift raises 4 skiers at constant speed to a height of 135 m. The average mass of each skier is 65 kg. What is the average power provided by the tension in the cable pulling the lift?

  • In 2.97 minutes, a ski lift raises four skiers at constant speed to a height of...

    In 2.97 minutes, a ski lift raises four skiers at constant speed to a height of 131 m. The average mass of each skier is 69.6 kg. What is the average power provided by the tension in the cable pulling the lift?

  • In 2.0 minutes, a ski lift raises 4 skiers at constant speed to a height of...

    In 2.0 minutes, a ski lift raises 4 skiers at constant speed to a height of 115 m. The average mass of each skier is 65 kg. What is the average power provided by the tension in the cable pulling the lift? _____________ W

  • Price Discrimination (3 points) A ski resort caters to both out-of-town skiers and local skiers. The...

    Price Discrimination (3 points) A ski resort caters to both out-of-town skiers and local skiers. The demand for lift tickets for each market segment is independent of the other market segment. The marginal cost of servicing a skier of either type is $40. The demand formulas for the two market segments are: Out-of-towners: Qo=1000-5P Locals:    QL=1000-10P (a) Assume that the resort charges one price to all skiers. What is the total demand formula? What is the profit-maximizing price? How many...

  • (a) In 2.0 minutes, a ski lift raises 5 skiers at constant speed to a height...

    (a) In 2.0 minutes, a ski lift raises 5 skiers at constant speed to a height of 120 m. The average mass of each skier is 65 kg. What is the average power provided by the tension in the cable pulling the lift? (b) A person is making homemade ice cream. She exerts a force of magnitude 23 N on the free end of the crank handle on the ice-cream maker, and this end moves on a circular path of...

  • Problem 3: Sensitivity of NPV to Discount Rates A ski resort wants to expand by opening...

    Problem 3: Sensitivity of NPV to Discount Rates A ski resort wants to expand by opening more trails and adding a new high-speed chair lift. The initial capital investment for the expansion is $150,000 in year 0 and the resort will not benefit financially until after the project is completed in year 3. After that the annual net benefits will be $20,000 at the end of each year. Assume a lifetime of 25 years for the expansion. a) Is this...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT