Answer:
Its either A. Or C cause ive had a question like this before So Im sure But if not Then Im so sorry
It depends. If you are driving and the person doesn't look like a serial killer, you should stop.
The block's velocity is determined as 10.03 m/s.
<u>Explanation:</u>
According to work energy theorem, the work done on an object is equal to the change in kinetic energy of the object.
So, work done = Kinetic energy

Thus, the velocity can be determined as


Velocity = 10.03 m/s.
So the block's velocity is determined as 10.03 m/s.