Question

if we throw ball A in upward direction and Ball B downward direction with same speed then the velocity of A is equal to velocity of B why​

Answer 1

Answer:

both the balls reach the ground with the same velocity

Explanation:

We know,

The direction of motion while touching the ground will be vertically downwards,

Now coming to the speed,

Speed is nothing but a reflection of Kinetic energy of a body,

More the kinetic energy more the speed.

Taking the ball-earth system,

Mechanical energy is conserved,

Gain in Kinetic energy=loss in potential energy

And as both the balls are at same height,

Irrespective of the initial direction of throw,

Both will lose same potential energy and gain the same Kinetic energy,

Hence having the same velocity when they are near the ground.