Answer:
A variable (often denoted by x ) whose variation does not depend on that of another.
Explanation:
Potential energy due to gravity = Ep = mgh [symbols have their usual meaning ]
Evidently, HALVING the mass will make Ep , HALF its previous value. So, It will be halved.
No the vector can never be shorter than one of its components
Answer:
Explanation:
displacement is the shortest distance between the initial and final position and velocity is the ratio of distance to the time taken. displacement will be zero if the body comes back to its initial position