Should I change my profile picture to my face (edited), keep my profile pic how it is or change it to a different anime (if it’s a different anime tell me and show me a picture of the anime person).

What is relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body

Ametal ball with a mass of 0.028 kg is dropped from rest at a height of 1.0 meters above the ground. assuming the energy in the ball is conserved, how much kinetic energy will the ball have when it is 0.5 meters above the ground?

The charge on a charged sphere is: a)concentrated at its centerb)distributed uniformly throughout its volumec)clustered on its centerd)distributed uniformly over its surface