During a soccer game, a player grabs and holds an opponent's shirt outside of the penalty box. After the foul is called, what ki
2 answers:
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Answer:
B) the change in momentum.
Explanation:
The impulse is defined as the product between the force applied on an object (F) and the duration of the collision ():
(1)
We can rewrite the force by using Newton's second law, as the product between mass (m) and acceleration (a):
So, (1) becomes
Now we can also rewrite the acceleration as ratio between the change in velocity and change in time: . If we substitute into the previous equation, we find
And the quantity is equivalent to the change in momentum,
.
Answer:
9 m/s
Explanation:
13.5 × = 9