subject
Physics, 17.05.2021 18:50 mayhy100

Which requires more energy: lifting a 50 kg sack vertically 2 meters or lifting a 25 kg sack vertically 4 meters? a. lifting the 50 kg sack
b. lifting the 25 kg sack
c. both require the same amount of work​

ansver
Answers: 3

Another question on Physics

question
Physics, 21.06.2019 22:30
Which expression allows you to determine the mechanical advantage of an inclined plane? a. height of plane / input force b. length of plane / input force c. length of plane / height of plane d. height of plane / length of plane
Answers: 1
question
Physics, 22.06.2019 02:00
In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong
Answers: 1
question
Physics, 22.06.2019 04:00
Simple machines can a. increase force only b. decrease force only c. increase or decrease force
Answers: 3
question
Physics, 22.06.2019 11:10
Consider an insulating crystal, made up of layers of atoms. what form would you expect the temperature dependence of the phonon heat capacity to approach at extremely low temperatures if the interlayer coupling is i)very strong (rigid coupling), and ii) very weak. explain.
Answers: 3
You know the right answer?
Which requires more energy: lifting a 50 kg sack vertically 2 meters or lifting a 25 kg sack vertica...
Questions
question
English, 17.10.2021 14:00
question
English, 17.10.2021 14:00
question
Mathematics, 17.10.2021 14:00
question
English, 17.10.2021 14:00
question
Mathematics, 17.10.2021 14:00
question
Social Studies, 17.10.2021 14:00
question
History, 17.10.2021 14:00
question
Spanish, 17.10.2021 14:00
Questions on the website: 13722367