Question

A drop of waters of 1 mg fall on the ground with a velocity of 15 mst from 20m above from the ground against air resistance [g=9.8} m52] a. What is called vernier constants b. Why it is difficult to climb up to the mountain than coming down a Explain it c. Determine the time to fall the drop of water to the ground. d. "The weight of the drop of water is more than the resistive force of air – Explain mathematically ​

Answer 1

Answer:

ok wait i am giving answer. i also don't know actually