A submarine is at 350 m below sea level. It ascends for 10 seconds and then stops. Its final position is at 75 m above the sea level. Find the speed of the submarine.
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Step-by-step explanation:
Speed of submarine = 25 m/s
Step-by-step explanation:
Distance below the sea level before ascending = 350 m
After ascending, Distance below the sea level = 100 m
⇒ Total distance = 350 - 100
= 250 m
Time = 10 sec
\begin{gathered}\bf Speed=\frac{Distance}{Time}\\\\\implies Speed = \frac{250}{10}\\\\\implies\textbf{ Speed of submarine = 25 m/s}\end{gathered}
Speed=
Time
Distance
⟹Speed=
10
250
⟹ Speed of submarine = 25 m/s
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