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2 years ago

What are two benefits of scientists using a diagram to model the water cycle?

Physics

1 answer:

Sidana [21]2 years ago

8 0

Explanation:

it can be used to show how the parts of the cycle relate to one another

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You stand 17.5 m from a wall holding a softball. You throw the softball at the wall at an angle of 38.5∘ from the ground with an

zheka24 [161]

The ball's horizontal position in the air is

$x=\left(27.5\dfrac{\rm m}{\rm s}\right)\cos38.5^\circ t$

It hits the wall when $x=17.5\,\mathrm m$ , which happens at

$17.5\,\mathrm m=\left(27.5\dfrac{\rm m}{\rm s}\right)\cos38.5^\circ t\implies t\approx0.813\,\mathrm s$

Meanwhile, the ball's vertical position is

$y=\left(27.5\dfrac{\rm m}{\rm s}\right)\sin38.5^\circ t-\dfrac g2t^2$

where $g$ is the acceleration due to gravity, 9.80 m/s^2.

At the time the ball hits the wall, its vertical position (relative to its initial position) is

$y=\left(27.5\dfrac{\rm m}{\rm s}\right)\sin38.5^\circ(0.813\,\mathrm s)-\dfrac g2(0.813\,\mathrm s)^2\approx\boxed{10.7\,\mathrm m}$

5 0

3 years ago

You do a demonstration of photosynthesis for your friends with the aquatic plant Elodea outside on a sunny day. You put the plan

son4ous [18]

Answer:

Hydrogen gas/bubbles

Explanation:

Photosynthesis is defined as the process by which green plants and other organisms like blue-green algae etc. synthesize organic matter. In the presence of light energy, they convert CO2 and H2O into organic sugar with the release of O2 gas.

The plant was performing photosynthesis since there is the presence of CO2 (baking soda) and water and therefore the bubbles seen is hydrogen gas guven off from photosynthesis .

6CO2(g) + 6H2O(l) --> C6H12O6(s) + 6O2(g)

7 0

2 years ago

The mass of a golf ball is 45.9 g . If it leaves the tee with a speed of 63.0 m/s , what is its corresponding wavelength?

Fantom [35]

Answer:

$\lambda=2.29\times 10^{-34}\ m$

Explanation:

Given that,

The mass of a golf ball, m = 45.9 g = 0.0459 kg

Speed of the tee, v = 63 m/s

We need to find the corresponding wavelength. The relation between wavelength and speed is given by :

$\lambda=\dfrac{h}{mv}\\\\=\dfrac{6.63\times 10^{-34}}{0.0459\times 63}\\\\=2.29\times 10^{-34}\ m$

So, the corresponding wavelength is $2.29\times 10^{-34}\ m$ .

8 0

2 years ago

What is the force experienced when a 5.0 kg mass is accelerated at 7.5 m/s??

Fittoniya [83]

Answer:

F = 37.5 N

Explanation:

It is given that,

Mass of the object is 5 kg

Acceleration of the object is 7.5 m/s²

We need to find the force experienced by the object. The force is given by the product of mass and acceleration of an object. So,

F = m

$F=5\times 7.5\\\\F=37.5\ N$

So, the force acting on the object is 37.5 N.

4 0

3 years ago

Mr. Rosa is able to travel at 10m/s. How much time will it take him to travel a distance of 542 meters?

Dmitrij [34]

// s - displacement, t - time, v - velocity

Known:

s = 542 meters;

v = 10m/s

Unknown:

t - ?

Formula:

t = s / v

Solution:

t = 542 / 10 = 54,2 (s)

Answer:

54,2 s

Make me the brainliest, please

7 0

2 years ago