a body is moving such that it covers a distance of K meters during which velocity halved
then what is the father distance travel before coming to rest
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a body is moving such that it covers a distance of K meters during which velocity halved
then what is the father distance travel before coming to rest
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Explanation:
Given, Distance=3km
Let the initial velocity =vm/s
Final velocity
2
v
So, V
2
−u
2
=2as⇒
4
v
2
−v
2
=2a×3⇒
4
−3v
2
=6a⇒=
8
−v
2
Now, Initial velocity
2
v
Final velocity =0
Let the distance travelled is Xcm
So,
4
−v
2
=2×
8
−v
2
×X⇒X=1 km