Answer:
216 units
Explanation:
F1 = kQ1Q2/r^2 = 36 (Coulomb's law)
F2 = k(2Q1)(3Q2)/r^2
= 6[kQ1Q2/r^2]
= 6F1
= 6 x 36
= 216 units
Answer:
D mowing grass
Explanation:
it dosen't change the compond of the grass
Answer:
The heat rejected is 146J.
The work done by the engine is 54J.
The thermal efficiency is 0.27
Explanation:
The efficiency of the carnot engine, which is working between a hot source at a temperature and a cold source at a temperature , is given by:
The normal boiling point of water is 373 K. ()
The temperature of triple point of water is 273.15 K ()
I think its either b. or d. i know its not a. It might be B. hope this helps?