Answer:
(A) We are using them faster than they are replenished by nature
<span>49N is the force needed to give a .25 kg arrow an acceleration of 196m/s2. F =ma ⇒ =( 0.25kg)(196m/s2) = 49N if the arrow is shot horizontally where the applied force is entirely in the x-direction.</span>
s = displacement; u = initial velocity; t = time of motion
Answer;
It's about acceleration, right?