Answer:
I think the answer is B. amount of energy present but I'm not 100% sure
Explanation:
Answer: B) The ability of steel to be shaped
here we will use the concept of Newton's III law
as per Newton's III law the impulse given to the ball is same as the impulse lost by the bat
So here we will say
impulse gain by the ball = impulse lost by the bat

given that


For ball the change in speed will be

now from above equation


so speed of bat will decrease by 6.72 mph