subject

Mathematics, 20.02.2020 19:28 maddie53116

A block-and-tackle is a machine that uses pulleys to help lift heavy items. A person pulls on one end of a rope
with an effort force. The other end is attached to the item, or load. The table shows the results of testing several
block-and-tackle designs to pull the load one meter off the ground.
Which design has the GREATEST efficiency?

ansver

Answers: 3

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 14:00

Find the value of the cosine for angle a

Answers: 1

question

Mathematics, 21.06.2019 17:00

Aquantity with an initial value of 3900 decays exponentially at a rate of 35% every hour. what is the value of the quantity after 0.5 days, to the nearest hundredth?

Answers: 1

question

Mathematics, 22.06.2019 00:00

Can someone me with this? i’m not sure what to put for my equations.

Answers: 2

question

Mathematics, 22.06.2019 02:00

Your company will replace the asphalt roofs on all the buildings at the factory complex shown below. the buildings have flat roofs. you charge according to the total roof area. what is this area, in square yards?

Answers: 3

You know the right answer?

A block-and-tackle is a machine that uses pulleys to help lift heavy items. A person pulls on one en...

Questions

question

Engineering, 09.03.2021 05:30

number of different type of flow chambers have been designed to study adhesion between cells in vitro. One important design feature is the ability to...

question

French, 09.03.2021 05:30

Referring to these pictographs, record yourself forming at least 5 sentences in French PLEASE HURRY !!

question

Mathematics, 09.03.2021 05:30

Calculus help need help ASAP! A particle moves along the y-axis so that its position at time t is given by y(t) = t^2 tan(1/t) for t > 1.

question

German, 09.03.2021 05:30

I want butt n. udes GIRLS ONLY....

question

Mathematics, 09.03.2021 05:30

For each logarithmic equation, write an equivalent equation in exponential form 1. ln 618 = p 2.ln q = 2 3.ln 100 = t 4.ln(e^3)=3...

question

Mathematics, 09.03.2021 05:30

Find the area. 4 cm 6 cm 6 cm square centimeters

question

Chemistry, 09.03.2021 05:30

Chemical Energy vs. Heat Energy Chemical Energy Chemical Energy = Heat E. + A + B ==> AB (more Chem E. less Heat Energy)

question

Biology, 09.03.2021 05:30

Section 10.3 How does a cell control the process of cell division?...

question

Mathematics, 09.03.2021 05:30

Can someone please help please it’s so urgent please help me I really really need help

question

Biology, 09.03.2021 05:30

PLZ HELP IT IS DUE TODAY the diagram below shows a Chesapeake Bay Waterbird Food Web. What might happen if the sea duck population suddenly shrunk du...

question

Mathematics, 09.03.2021 05:30

What is the solution to the equation below? Round your answer to two decimal places. 24•log(2x) = 60 A. X = 316.23 B. x = 158.11

question

Mathematics, 09.03.2021 05:30

Given the following information, fill in the boxes below with the correct values for a, b, and c for the quadratic function. The zeros of the functio...

question

Business, 09.03.2021 05:30

my mom bf is touching me coz he knows im into boys..i cant tell my mom she'll yell at me and kick me out for liking my own kind...

question

History, 09.03.2021 05:30

1. Ang mga nahirang na Komisyonado ng anim na kagawaran ay walang ganap na kapangyarihang mamuno sapagkat2. Binuwag ng mga Hapones ang partidon...

question

English, 09.03.2021 05:30

Need help with hearts of our people achieve 3000 thought question....

question

Mathematics, 09.03.2021 05:30

1. A. SSE.3 A worker earned a 3% increase in her annual salary for each of 5 1 point years. They plan to continue working in their position for an ad...

question

History, 09.03.2021 05:30

1. According to this author, the causes of The Great Depression... a. are agreed upon by all historical scholars. b. are taught only in u...

question

Mathematics, 09.03.2021 05:30

3/4 ( 16x - 27 - 1 )...

question

Mathematics, 09.03.2021 05:30

Lauren works 9.5 hour shifts each weekend, and takes off three weeks during the year. Lauren does not work on the weekdays. How many hours will Laur...

question

History, 09.03.2021 05:30

What made it possible to develop personal computers? A microchips B satellites C cell phones D the Internet...

More questions: Mathematics Another questions

Questions on the website: 13722363