China because it is cheaper then getting it from Pittsburgh
Answer:
W = 14.8 kJ
Explanation:
W = F S cos ∅
W = 4113 x 3.99 x cos 25.5
W = 16410.87 x 0.9025 = 14810.8 J or 14.8 kJ
Answer:
With all of that information, he's telling us the train's VELOCITY.
Explanation:
Velocity is a vector quantity made of two parts: speed and direction.
I believe the correct answer from the choices listed above is the second option. With this information, he was able to conclude that the beam was negatively charged. His cathode ray<span> tube experiments led to a very important scientific discovery, the electron. Hope this answers the question.</span>