Question

If we want to lift a 910lb box 10 ft into the air, and we have...

If we want to lift a 910lb box 10 ft into the air, and we have 70 ft of rope and as many pulleys as we want, what is the least amount of force we'll have to exert?


Group of answer choices

13 lbs


130 lbs

46.5 lbs

91 lbs

Homework Answers

Know the answer?
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
Similar Questions
How many cars should we weigh if we want to be 95% confident about the average...
How many cars should we weigh if we want to be 95% confident about the average weight of a car in California if we know the standard deviation is 388 pounds and we want to be within 88 pounds of the actual mean? Group of answer choices 133 75 9 63 91
We have a dataset with 10 different features for 500 college students. We want to know...
We have a dataset with 10 different features for 500 college students. We want to know if we can group the students based on some similarities in their features. What method can be used for this problem. Group of answer choices A. K Fold B. Classification Tree C. K-Means D. Logistic Regression
We have ? different boxes and ? different objects. We want to distribute the objects into...
We have ? different boxes and ? different objects. We want to distribute the objects into the boxes such that at no box is empty. In how many ways can this be done? Justify your answer.
Assume we have a box with 10 chips, each with a number written on it from...
Assume we have a box with 10 chips, each with a number written on it from 1-10. Consider this to be our population of scores. We reach in, pull out a chip, look at the number and write it down, then put the chip back. We do this 2 times. We describe this as N = 2 for the sample size. Then we take the mean of the two numbers we recorded. Which values for the mean are least likely...
Show work, draw a picture, label your variables. (4pts) We want to construct a box whose...
Show work, draw a picture, label your variables. (4pts) We want to construct a box whose base length is 4 times the base width. The material used to build the top and bottom cost $10 sq foot and material used to build the sides cost $6 sq foot. If the box must have a volume of 60 cubic feet, determine the dimensions that will minimize the cost to build the box and find the minimum cost box. * Give your...
1. If you want to study the effect of hormonal changes in adolescent boys, your population...
1. If you want to study the effect of hormonal changes in adolescent boys, your population would be Group of answer choices All adolescents All the people in the world All males All adolescent males 2. Which of the following is most likely to be measured categorically? Group of answer choices Weight gain in first year college students Deterioration in driving performance under the influence of alcohol Level of authoritarianism in a sample of public accountants Species of dog appearing...
1.Assume we want to compare minimum wage workers in two different industries: fast food and agriculture....
1.Assume we want to compare minimum wage workers in two different industries: fast food and agriculture. If the fast-food industry has fewer substitutes available for labor compared with agriculture, then an increase in the minimum wage will lead to _______ layoffs in the fast-food industry compared to the agriculture industry. Group of answer choices the same fewer more 2. A union that requires workers to be part of the union before being hired by companies under that union is referred...
c++ You have tons of toys that you want to divide into boxes. Each box can...
c++ You have tons of toys that you want to divide into boxes. Each box can store at most T toys and you got plenty of boxes. To distribute the toys, your plan is to divide the N toys in half, forming two smaller piles, then continue dividing each of the small piles in half until we get piles that can fit in the boxes. Find how many boxes you will need. This strategy may not give you the least...
Suppose you want to determine whether the brand of laundry detergent used and the temperature affects...
Suppose you want to determine whether the brand of laundry detergent used and the temperature affects the amount of dirt removed from your laundry. You buy two different Brand of Detergent (A and B) and choose three different Temperature (cold, warm and hot). Four laundry loads were washed for each combination of detergent and temperature. The amount of dirt removed from each load was recorded. The partial ANOVA table is given below. Source DF SS MS F Brand (a) 20...
We have covered various tests and confidence intervals and many of these are listed below. Read...
We have covered various tests and confidence intervals and many of these are listed below. Read the following short scenarios and pick the test or confidence interval that best meets the objective. Choose only one and write the number in the space provided below the question. 1. Confidence interval for a proportion. 2. Confidence interval for a mean 3. Test for a population Proportion 4. Test for comparing Proportions between 2 groups. 5. Test for comparing Proportions between c groups....