<span>Given temperature ϑ = 56°C. Formula: speed of sound c = 331.3 + 0.606 × ϑ.Atϑ = 56°C the speed of sound c = 331.3 + 0.606 × 56 = 365.2 m/s.</span>
If<span> a neutral </span>object loses<span> some </span>electrons<span>, </span>then<span> it will possess more protons</span>
Answer:
Gravity
because it's factorised by mass of a body.
For other forces, they deal with charges of negligible mass and weights
Decreasing the trains velocity will DECREASE the kinetic energy