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son4ous [18]
3 years ago
14

Which is one-dimensional

Physics
1 answer:
Tema [17]3 years ago
6 0

Answer:

B

Explanation:

They are all one-dimensional

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You are walking down a straight path in a park and notice there is another person walking some distance ahead of you. The distan
xenn [34]

Answer:

41.07 m

Explanation:

According to the data:

Velocity = 2.65 m/s

Time = 15.5 s

Now the formula to calculate the distance is

Distance = Velocity x Time

Distance = 2.65 x 15.5

Distance  = 41.07 meter

Kindly note that the person suddenly started to run at the velocity which is mentioned later that is 2.65 m/s.So the velocity given before is just ignored and we don't have to use any of the three equations of motion of kinematics.

3 0
3 years ago
If you shine red light at a green plant and green light at a green plant, knowing that a plant must absorb light to grow, which
Ostrovityanka [42]
There's no way to tell for sure which plant will grow faster, because
we don't know if a plant gets any benefit from red light. 

But we do know for sure that it won't be the one we shine green light on. 
We know that green light is no use to green plants at all ... that's why
when green light falls on them, they don't even bother absorbing it.
They just let it bounce off, and that's why they look green to us.
3 0
4 years ago
Need help on this question ASAP please and thank you!! (:
mamaluj [8]

I = F.Δt

for the first 4 s

I = 10 (4-2)

I = 20 kg m/s

5 0
2 years ago
Your town is installing a fountain in the main square. If the water is to rise 26.0 m (85.3 feet) above the fountain, how much p
Brums [2.3K]

Answer:

P = 3.55 \times 10^5 Pa

Explanation:

As we know that water from the fountain will raise to maximum height

H = 26.0 m

now by energy conservation we can say that initial speed of the water just after it moves out will be

\frac{1}{2}mv^2 = mgH

v = \sqrt{2gH}

v = \sqrt{2(9.81)(26)}

v = 22.6 m/s

Now we can use Bernuolli's theorem to find the initial pressure inside the pipe

P = P_0 + \frac{1}{2}\rho v^2

P = 10^5 + \frac{1}{2}(1000)(22.6^2)

P = 3.55 \times 10^5 Pa

6 0
4 years ago
4. A little boy pushes a wagon with his dog in it. The mass of the dog and
Artyom0805 [142]

Answer:

<h2>59.5 N</h2>

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 70 × 0.85

We have the final answer as

<h3>59.5 N</h3>

Hope this helps you

6 0
3 years ago
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