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ella [17]
3 years ago
5

In avarage,How many times do a child breathe in a

Physics
2 answers:
nevsk [136]3 years ago
6 0
<span>There are 60 minutes in an hour, therefore:

Breaths per hour = 12 X 60, 15 X 60
= 720 to 900 breaths per hour

There are 24 hours in a day, therefore:

Breaths per day = 720 X 24, 900 X 24
= 17,280 to 21,600 breaths per day.
</span>This differs between <span>adults </span>and <span>kids, </span>so:
A child breathes around <span>28,800 times a day.</span>
An Adult breathes around <span />23040 times a day.

<em>Hope this helps!</em>
ollegr [7]3 years ago
5 0
On an approximate scale, A child breaths 20 times a minute as compared to only 12 to 16 in resting phase of an Adult.

So, In 60 minutes (1 hour), They breathe = 20 * 60 = 1200
In 24 hours (1 day), They breathe = 1200 * 24 = 28,800

In short, Your Answer would be: 28,800

Hope this helps!
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A camper walks away from camp. He walks 23.72m north, then 39.25m south and
Arte-miy333 [17]

Answer:

89.53    North

Explanation:

Total N-S displacement

   23.72  -  39.25 + 105.06   =  + 89.53

5 0
2 years ago
94. The diagram shows the orbit of a satellite
Valentin [98]

Answer:

7.65x10^3 m/s

Explanation:

The computation of the satellite's orbital speed is shown below:

Given that

Earth mass, M_e = 5.97 × 10^24 kg

Gravitational constant, G = 6.67 × 10^-11 N·m^2/kg

Orbital radius, r = 6.80 × 10^6m

Based on the above information

the satellite's orbital speed is

V_o = √GM_e ÷ √r

= √6.67 × 10^-11 × 5.97 × 10^24 ÷ √6.80 × 10^6

=  7.65x10^3 m/s

4 0
3 years ago
When scientists describe the position of an object accurately, they use a _______________ point.
Radda [10]
I’m pretty sure it’s a starting point... unless it’s asking for an actual object
4 0
3 years ago
Read 2 more answers
A car of mass 2200 kg collides with a truck of mass 4500 kg, and just after the collision the car and truck slide along, stuck t
katovenus [111]

Answer:

37.7m/s: principle of conservation of momentum

Explanation:

The principle to make use of is the principle of conservation of momentum which States that the sum of momentum of bodies before collision is equal to the sum of momentum of bodies after collision. This bodies will move with the same velocity after collision.

Momentum = Mass × velocity

For car of mass 2200kg moving with velocity 33m/s:

Momentum of car before collision = 2200×33

= 72,600kgm/s

For the truck of mass 4500kg;

Momentum = 4500 ×(22-(-18)

= 4500×40

= 180000kgm/s

After collision, their momentum is:

Momentum after collision = (2200+4500)v

= 6700v

Using the principle above to get the common velocity v we have

72600+180000 = 6700v

252600 = 6700v

v = 252600/6700

v = 37.7m/s

7 0
3 years ago
How would the force of air resistance depend on an object speed
denis-greek [22]
The quicker the speed of an object, the more frequently it is hit by air molecules. this boost in frequency means the molecules push back, increasing the air resistance. If you need more help post a comment so I can help out!
3 0
3 years ago
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