subject
Physics, 01.04.2020 18:58 texassaint797

1. When is positive work done on a system? When is negative work done?

ansver
Answers: 2

Other questions on the subject: Physics

image
Physics, 21.06.2019 19:00, owlsandR5
Many machines- including inclined planes such as ramps- increase the strength of the force put into the machine but decrease the distance over which the force is applied. true or false
Answers: 1
image
Physics, 21.06.2019 22:30, lafuiciosa10
How have the competing explanations' experiments on atoms affected the development of the atomic model?
Answers: 1
image
Physics, 22.06.2019 02:30, bellamore
Awave travels at a speed of 5.2 m/s. if the distance between crests is 0.40 m, what is the frequency of the wave? use f=v/wavelength a. 13 hz b. 2.1 hz c. 0.077 hz d. 5.6 hz
Answers: 1
image
Physics, 22.06.2019 04:30, leilaford2003
Afeather of mass 0.001 kg falls from a height of 2 m. under realistic conditions, it experiences air resistance. based on what you know about friction, what can you say about the kinetic energy of the feather as it reaches the ground? acceleration due to gravity is g = 9.8 m/s2. a. ke < 0.0196 j b. ke = 00196 j c. je = 0 j d. ke > 0.0196 j
Answers: 1
You know the right answer?
1. When is positive work done on a system? When is negative work done?...

Questions in other subjects: