The answer is B. Nonrenewable
Reason : Speed of Sound is more than the train approaching
Total energy before the toss:
Total energy at the roof:
Energy must be conserved so :
If v₁ is the initial velocity and v₂ is the final velocity, which is zero at the roof:
Answer:
Subcategories: Ice field
Explanation:
Glacier ice is blue because the red (long wavelengths) part of white light is absorbed by ice and the blue (short wavelengths) light is transmitted and scattered. The longer the path light travels in ice, the more blue it appears.