Answer:
It would be hard to test scientifically since it's subjective and can only be proven true if you conducted some experimentations and observations.
Question 18: a
question 19: b
question 20: c
Hello,
I believe they are a lever and a wedge.
I hope this helps!
Answer:
power drain on an ideal battery, P = 0.017 W
Given:



Since,
and
are in parallel and this combination is in series with
, so,
Equivalent resistance of the circuit is given by:



power drain on an ideal battery, P =
P = 
P = 0.017 W
The definition of volocity is <span>the speed of something in a given direction.</span>