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3 years ago

Give an example of how energy from the sun gets into your cells

2 answers:

8 0

Examples of how Energy from the sun gets into your cells. Have you ever noticed that if you stayed under the sun(except noon which is the sun is really hot) you feel energized? Sun contains vitamins that can give your body more energy. Try not going out from your room the whole day, notice that your body feel weak and unhealthy. The same thing is happening to the plants and animals. They need the sun to be able to live healthy and longer.

Hope This Helps!! Have A Nice Daaay

bulgar [2K]3 years ago

6 0

We eat plants that use the energy from the sun to make food

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An 800-N billboard worker stands on a 4.0-m scaffold weighing 500 N and supported by vertical ropes at each end. How far would t

Lynna [10]

Answer:

2.5 m

Explanation:

Weight of billboard worker = 800 N

Number of ropes = 2

Length of scaffold = 4 m

Weight of scaffold = 500 N

Tension in rope = 550 N

The sum of the torques will be

$-800(4-x)-500\times 2+550\times 4=0\\\Rightarrow -800(4-x)=500\times 2-550\times 4\\\Rightarrow -800(4-x)=-1200\\\Rightarrow -x=\dfrac{1200}{800}-4\\\Rightarrow -x=-2.5\\\Rightarrow x=2.5\ m$

The position of the person will be 2.5 m

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3 years ago

What is the difference between a wedge and a screw?

Anvisha [2.4K]

<span>A wedge is a double sided screw basically. Therefore, the difference is the number of sides.</span>

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3 years ago

A small ball is attached to the lower end of a 0.800-m-long string, and the other end of the string is tied to a horizontal rod.

mestny [16]

Answer:

a = 17.68 m/s²

Explanation:

given,

length of the string, L = 0.8 m

angle made with vertical, θ = 61°

time to complete 1 rev, t = 1.25 s

radial acceleration = ?

first we have to calculate the radius of the circle

R = L sin θ

R = 0.8 x sin 61°

R = 0.7 m

now, calculating at the angular velocity

$\omega =\dfrac{2\pi}{T}$

$\omega =\dfrac{2\pi}{1.25}$

ω = 5.026 rad/s

now, radial acceleration

a = r ω²

a = 0.7 x 5.026²

a = 17.68 m/s²

hence, the radial acceleration of the ball is equal to 17.68 rad/s²

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3 years ago

Spherical mirror is a

madam [21]

Answer:

Spherical mirror is a mirror with a curved reflecting surface.

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2 years ago

In our solar system, the most likely planet (other than Earth) to have life on it is currently thought to be

VLD [36.1K]

Answer: Mars

Explanation:

Mars is a planet similar to the earth which the rest can't sustain life either because it's too hot or cold or too much gas maybe even toxic acid.

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3 years ago