subject
Physics, 13.03.2020 17:28 PAADUUUgma

A 120-kg mail bag hangs by a vertical rope 3.5 m long. A postal worker then displaces the bag to a position 2.0 m sideways from its original position, always keeping the rope taut.(a) What horizontal force is necessary to hold the bag in the new position?(b) As the bag is moved to this position, how much work is done(i) by the rope and(ii) by the worker?

ansver
Answers: 2

Another question on Physics

question
Physics, 22.06.2019 00:00
An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge
Answers: 2
question
Physics, 22.06.2019 09:30
Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.
Answers: 1
question
Physics, 22.06.2019 13:20
Which of the following is the main energy source for the sun? a. fission of hydrogen b. fusion of hydrogen c. fusion of helium d. fission of iron
Answers: 2
question
Physics, 22.06.2019 18:00
A4.0-cm tall light bulb is placed a distance of 32.0 cm from a concave mirror having a focal length of 16.0 cm. determine the image distance
Answers: 1
You know the right answer?
A 120-kg mail bag hangs by a vertical rope 3.5 m long. A postal worker then displaces the bag to a p...
Questions
question
Mathematics, 18.12.2020 21:30
question
Mathematics, 18.12.2020 21:30
Questions on the website: 13722367