subject
Physics, 11.11.2020 17:50 balancingmist1954

Which of the following requires the expenditure of more work? a. Lifting a 110 newton [N] weight a height of 3 meters [m].
b. Exerting a force of 60 pounds-force [lbf] on a sofa to slide it 30 feet [ft] across a room.

ansver
Answers: 3

Another question on Physics

question
Physics, 22.06.2019 05:40
Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?
Answers: 2
question
Physics, 22.06.2019 18:00
Aprisoner is forced to go into one of three rooms, but he can choose which room. the first room is ablaze with fire. the second one is rigged with explosives that will go off as soon as he enters. the third contains a pair of lions who haven't eaten in years. which room should he choose to survive?
Answers: 2
question
Physics, 22.06.2019 18:30
Adolphin emits ultrasound at 100khz and uses the timing of reflections to determine the position of objects in the water. part a what is the wavelength of this ultrasound? assume that temperature of water is 20 degrees c. answer in cm
Answers: 2
question
Physics, 22.06.2019 21:30
While carrying a heavy box up the stairs,you set the box on a step and rest. then you pick up the box and carry it to the top of the stairs. describe these actions in terms of balanced and unbalanced forces acting on the box.
Answers: 1
You know the right answer?
Which of the following requires the expenditure of more work? a. Lifting a 110 newton [N] weight a...
Questions
question
Mathematics, 15.12.2020 08:50
question
Biology, 15.12.2020 08:50
question
Mathematics, 15.12.2020 08:50
question
Geography, 15.12.2020 08:50
question
Mathematics, 15.12.2020 08:50