Question

A box starts drowning in the water such that it can touch the 50 m deep seabed with a velocity of 5 m/s. But just 3 seconds after the box began dipping, a swimmer too dives in the water. At what time he will be able to catch the box if he is going down with a constant velocity of 2 m/s?

• A. 6 second
• B. 5 second
• C. 4 second
• D. 8 second

Answer 1

The correct option is C

4 second

.