Physics, 28.08.2019 20:40, Ancelingabaut

Based on the law of conservation of energy, how can we reasonably improve a machine’s ability to do work?
move the machine to a different gravitational field.
increase the friction between its moving parts.
reduce the friction between its moving parts.
redefine the machine’s system boundaries

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 10:10, natalieagustinlop54

Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.

Answers: 2

continue

Physics, 22.06.2019 15:00, depinedainstcom

What property of an object determines its inertia?

Answers: 2

continue

Physics, 22.06.2019 16:30, skiddymark3ox93za

Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?

Answers: 2

continue

Physics, 22.06.2019 18:30, eguzmandpandoracom

How many meters will a car travel if its speed is 45 m/s in an interval of 11 seconds? question 2 options: a) 450 meters b) 495 meters c) 4.09 meters d) 498 meters

Answers: 2

continue

Do you know the correct answer?

Based on the law of conservation of energy, how can we reasonably improve a machine’s ability to do...