We know, Mechanical Energy = K.E. + P.E.
As ball is at ground, P.E. would be zero. But as it is in motion, it must have some K.E. and that is:
K.E. = 1/2 mv²
K.E. = 1/2 * 1 * 2²
K.E. = 4/2
K.E. = 2 J
In short, Your Answer would be Option B
Hope this helps!
The formula for the money multiplier is :
1/ Reserve rate
so, the answer would be :
1/0.07
Answer: diffraction
Explanation: reflection wouldn't make sense because it's not reflecting off of anything and same with refraction and absorptions.
Like charges repel, while opposite charges attract.
The answer is a Mid-Ocean ridge.
