jamiebrain jamiebrain

30-04-2018
Chemistry

contestada

Machines are never 100 percent efficient because some work is used to overcome friction and inertia. True False

Respuesta :

drewbrown drewbrown

30-04-2018

False,
machines constantly mess up

Answer Link

lele051 lele051

01-05-2018

This is wrong because machines can make mistakes that why we fix it

Answer Link

Otras preguntas

which type of energy is associated with random motion of atoms and molecules in a sample of air? 1.chemical energy 2. electrical energy 3.nuclear energy 4. th

what was Margaret Brent accomplishments

A packet is dropped from a stationary helicopter, hovering at a height 'h' from the ground level, reaches the ground in 12s. Calculate 1) value of 'h' "displac

why does methane have a low boiling pint?

Ho long does it take for the Moon to show all its faces? Thank you❤

How do u do this problem: W/6+5/8=-1 3/8 I got this answer: -1 53/64

What phylum has animals with soft bodies, and most of them have shell-like coverings?

Is 4xy + 2y = 9 linear ? If yes write the equation in standard form & determine the x & y interests

System of equations x-y-2z=4, -x+2y+z=1, x+y-3z=11. Solve by elimination

What is the value of f(-4) in the piecewise function f(x)= -x-5 for -5<= x <= -2; -x^2+1 for -2<=x<=2; (x-3)^2+2 for 2<=x<=4? If that makes an