Newton's third law of motion is naturally applied to collisions between two objects. In a collision between two objects, both objects experience forces that are equal in magnitude and opposite in direction.For such a collision<span>, the forces acting between the two objects are equal in magnitude and opposite in direction</span>
Answer:
<h2>
t=1.43 s</h2>
Option A is the correct option.
Solution,
S=10 m
u=0 m/s
a=9.8 m/s^2
Now,
<h3>

</h3>
hope this helps...
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