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Valentin [98]
3 years ago
13

What are examples of convection currents?

Physics
1 answer:
hram777 [196]3 years ago
5 0

Answer:

I would say all of the above.

Explanation:

Look below for more examples

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All foods can be classified as either good or bad for my body
valentinak56 [21]

Answer:

False

Explanation:

While most foods can be classified as "good" or "bad" for our bodies, some foods are more complicated. Some healthy foods could be bad for you if you're allergic to them, and other foods could have both positive and negative effects on your body.

8 0
3 years ago
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A 2.53 kg particle has a velocity of vx = 6.8 m/s and vy = 7.21 m/s. Find the magnitude of its total momentum. Answer in units o
Yuliya22 [10]

Answer:

25.05 kg m/s

Explanation:

mass, m = 2.53 m/s

vx = 6.8 m/s

vy = 7.21 m/s

Resultant velocity, v = \sqrt{v_{x}^{2}+v_{y}^{2}}

v = \sqrt{6.8^{2}+7.21^{2}}

v = 9.9 m/s

Momentum, p = mass x velocity

p = 2.53 x 9.9

p = 25.05 kg m /s

3 0
3 years ago
You're driving down the highway late one night at 18m/s when a deer steps onto the road 39m in front of you. Your reaction time
Anit [1.1K]
A) Mind you before your reaction time, you had be going at a uniform speed 18m/s, so for the reaction time of 0.5 seconds, you had covered a distance of:

18m/s*0.5s = 9 m

For the second part which involved deceleration, using: 

v = u - at,  Noting that there is deceleration. 

u = 18m/s, v = final velocity = 0, a = -12m/s². 

Let us solve for the time.

<span>v = u + at
</span>
0 = 18 - 12*t

12t = 18

t = 18/12 = 1.5 seconds.

Let us compute for the distance covered during the 1.5s

s = ut + 1/2at²,       a = -12 m/s²

s = 18*1.5 -0.5*12*1.5² = 13.5m


So the total distance covered = Distance covered from reaction time + Distance covered from deceleration
              
                                              = 9m + 13.5m = 22.5m

So you have covered 22.5m out of the initial 39m.

Distance between you and the dear:   39 - 22.5  = 6.5m

So you have 6.5m between you and the deer. So you did not hit the deer.

b) Maximum speed you still have:

Well through trial and error, if you maintain the same values of deceleration, reaction time, distance between the car and the deer, you could have a speed of 25 m/s and still not hit the deer. Once it is higher than that by a significant amount you would hit the deer.
4 0
3 years ago
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HOw does water regulate earths temperature?
Maslowich
Ocean water transports warm water and precipatation from the equater to the north pole and the cold water from there is taken to the tropical water.
8 0
3 years ago
What's unique about the philosophical approach to the question of truth?
Tems11 [23]

Answer:

It requires evidence or proof and to avail something is true.

Explanation:

7 0
3 years ago
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