I know that light is the fastest.
Answer:
kinetic
Explanation:
kinetic energy is the energy possessed by a body due to its motion.
Answer:
60-20=40km west because the direction Will favour whichever direction is bigger
Formula:

Given:
Density=3.4
Volume=500.0
Plug them into the formula:
Final answer: 1700g
N = ?
T = 449 K
V = 58.35 L
P =2.97
R = 0.082
Use the clapeyron equation:
P x V = n x R x T
2.97 x 58.35 = n x 0.082 x 449
173.2995 = n x 36.818
n = 173.2995 / 36.818
n = 4.70 moles
hope this helps!