2 years ago

A child has fallen while riding a bike. When should a bystander call 911 ?

2 answers:

5 0

C and D - bleeding is dangerous and could lead to infection while not wearing a helmet and falling could mean the kid may have got a concussion.

kari74 [83]2 years ago

4 0

Answer:

C Or D

Explanation:

The Child Should Get Checked On Before You Call The Police Thought,

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nirvana33 [79]

Answer:

t = 444.125 sec

Explanation:

Given data:

V = 24 volt

I = 0.1 ampere

mass of water mw = 51 gm

cr = 4.18 J/gm degree K^-1

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cr = 3.7 J/gm degree K^-1

we know that power is given as

Power P = VI

But P =E/t

so equating both side we have

$\frac{E}{t} = VI$

solving for t

$t = \frac{E}{VI}$

$t = \frac{m_w C_w \Delta T}{VI}$

$t = \frac{51 \times 4.18 \times (5 -0)}{24\times 0.1}$

t = 444.125 sec

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3 years ago

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