<span>No, there is no control group because each group is treated under test conditions.</span>
Acceleration = force/mass
1/4
s=ut+1/2at^2
0*4+1/2*1/4*4^2
1/2*1/4*16
1/2*4
=2
Answer:
150J
Explanation:
work output/work input=100%
so just make work output the subject
Answer:
perpendicular to
Explanation:
it means perpendicular to .....should u come across something like this / / , this one means parallel to .....
<span>The work output of a machine divided by the work input is the "Efficiency" of the machine.
Hope this helps!</span>
