Find time when boy catches the girl or when they are at their closest separation..
velocity of boy is 50m/s and velocity of girl is 30m/s and acceleration of boy is 1m/s² and acceleration of girl is 2m/s² and distance between them is 150m.
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Answers
Answered by
3
KGiven Final velocity (v) = 50 m/s
Initial velocity (u) = 30 m/s
Acceleration (a) = 2.5 m/s
2
We know v = u + at
∴ 50 = 30 + 2.5 t
⇒ 50 - 30 = 2.5 t
⇒
2.5
20
= t or 8 = t
∴ Time taken to accelerate = 8 seconds
Answered by
7
Answer:
Given Final velocity (v) = 50 m/s
Initial velocity (u) = 30 m/s
Acceleration (a) = 2.5 m/s
2
We know v = u + at
∴ 50 = 30 + 2.5 t
⇒ 50 - 30 = 2.5 t
⇒
2.5
20
= t or 8 = t
∴ Time taken to accelerate = 8 seconds
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