Can the brain perform two separate tasks at the same time
yes or no

If you mix chlorine lithium in nickel together which two elements would be the most reactive

How are calculation for velocity and speed different

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?