subject
Physics, 04.02.2020 00:56 ijohnh14

The actual mechanical advantage of a pulley is 2. the pulley has 3 supporting strings. what is the efficiency of the pulley?

50%
66%
100%
150%

ansver
Answers: 3

Another question on Physics

question
Physics, 22.06.2019 12:00
If the new moon happens on january 15th, what shape will it be on february 6th?
Answers: 1
question
Physics, 22.06.2019 14:10
The number of passengers who arrive at the platform of a subway station for the 10 am train is a random variable with a mean of 120 and a variance of 16. find the lower bound of the probability that there will be between 100 and 140 passengers (round off to second decimal place).
Answers: 3
question
Physics, 22.06.2019 17:30
Which basic property determines a colored light's placement on the spectrum of visible light? a. speed b. frequency c. amplitude d. velocity
Answers: 3
question
Physics, 23.06.2019 00:30
Which of the following statements are evidence that gases do not always behave ideally? check all that apply.? a. co2 gas becomes dry ice (solid co2) at 1 atm and –78.5 °c. b. when two gases are mixed, they follow dalton\'s law of partial pressures. c. at 4 k and 1 atm, helium is a liquid. d. it is impossible to compress a gas enough so that it takes up no volume.
Answers: 3
You know the right answer?
The actual mechanical advantage of a pulley is 2. the pulley has 3 supporting strings. what is the e...
Questions
question
Health, 01.04.2020 08:57
question
Mathematics, 01.04.2020 08:58
question
Mathematics, 01.04.2020 08:58
question
Mathematics, 01.04.2020 08:59
question
History, 01.04.2020 09:00
Questions on the website: 13722367