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3 years ago

Why is it important to always be wearing a personal flotation device (PFD) when in or around the water?

Engineering

2 answers:

oee [108]3 years ago

4 0

The correct answer is C. A PFD takes some time to fit properly especially in an emergency.

Explanation:

The purpose of a Personal Flotation Device (PFD) such as a life jacket is to keep people floating to prevent drowning. Additionally, its effectiveness depends on whether the Personal Floating Device was fitted properly. Because of this, if an activity involves being in or around water, it is important to wear a Personal Flotation Device and to fit this properly before approaching the water because it is difficult to adjust the device during an emergency. Thus, it is important to wear a PFD in or around water because this takes some time to fit properly (Option C.)

IgorLugansk [536]3 years ago

3 0

Answer:Wearing a PFD reduces the chances of capsizing your vessel

Explanation: I THINK

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Answer:

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3 years ago

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Colt1911 [192]

Answer:

true

Explanation:

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2 years ago

The thermal efficiency of two reversible power cycles operating between the same thermal reservoirs will a)- depend on the mecha

mestny [16]

C ,, i’m pretty sure .

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3 years ago

An 800-kg drag racer accelerates from rest to 390 km/hr in 5.8 s. What is the net impulse applied to the racer in the first 5.8

marissa [1.9K]

Answer:

Impulse =14937.9 N

tangential force =14937.9 N

Explanation:

Given that

Mass of car m= 800 kg

initial velocity u=0

Final velocity v=390 km/hr

Final velocity v=108.3 m/s

So change in linear momentum P= m x v

P= 800 x 108.3

P=86640 kg.m/s

We know that impulse force F= P/t

So F= 86640/5.8 N

F=14937.9 N

Impulse force F= 14937.9 N

We know that

v=u + at

108.3 = 0 + a x 5.8

$a=18.66\ m/s^2$

So tangential force F= m x a

F=18.66 x 800

F=14937.9 N

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3 years ago