Question

She begin at sea level which is an elevation of 0 feet she travels straight down for 26 seconds at a speed of 2.6 ft./s She then ascends for 55 seconds at a speed of zero. 8 ft./s how many feet is she below sea level

Answer 1

Using the speed - distance relationship, the time taken for the scientist to travel back to sea level would be 51.9 seconds

What is the distance below sea level?

The formula for distance is;

Distance = Speed × time

First travel :

Distance covered = 90 × 3.5 = 315 feets

Second travel :

Distance covered = 30 × 2.2 = 66 feets

Net change in position from sea level is:

(315 - 66) feets = 249 feets

Maximum speed = 4.8 feets per second

Time taken = Distance/speed

Time taken = 249 ÷ 4.8 = 51.875 seconds

Thus, it will take 51.9 seconds to return to sea level.

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