Que formas de energía utilizas habitualmente?

1 answer:

5 0

Esta energía puede ser convertida en otras, como calor para calentar agua o edificios, invernaderos etc. o electricidad. Podemos convertir la energía solar en eléctrica de dos formas: Fotovoltáica (PV): La radiación solar se convierte directamente en electricidad

hope this help mark brainliest plz

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37.) A ball is thrown nearly vertically upward from a point near the corner of a tall building. It just misses the edge on the w

cestrela7 [59]

Answer:

a) Initial velocity of the ball=14.5 m/s

b)The ball rise to a height of 10.72 m/s

c)The velocity of the ball is zero at the highest point.

Explanation:

Taking point at which the ball is thrown to be origin. Distanced measured to be positive in upwards directions.

Now using equation of motion

$y=ut-\dfrac{gt^2}{2}\\-50=u\times5-\dfrac{9.8\times 5^2}{2}\\u=14.5\ \rm m/s$

The initial velocity of the ball is $u=14.5\ \rm m/s$

b) Let h be the height that ball rise above the starting point given by

$h=\dfrac{u^2}{2g}\\h=\dfrac{14.5^2}{2\times9.8}\\h=10.72\ \rm m$

c)The ball will be at rest with zero velocity at the highest point

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What best describes index fossils? Organisms that existed over a limited period Organisms whose age is hard to detect Fossils th

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Answer:

Explanation: Because it is A

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How may parent/s is/ are involved in axesual reproducation?

Tju [1.3M]

Answer:

One parent is involved.

Explanation:

Since in asexual reproduction, the offspring formed will be having the same characteristics or features as of those of the parent.

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A penny is dropped from the 82nd Floor Observatory of the Empire State Building. The penny will fall for 8.1s before hitting the

Alexxandr [17]

Answer:

vf=79.38 m/s

y= 321.5 m

Explanation:

Free Fall Motion

A free-falling object falls under the exclusive influence of gravity. Free-falling objects do not encounter air resistance.

If an object is dropped from rest in a free-falling motion, it falls with a constant acceleration called the acceleration of gravity, which value is $g = 9.8 m/s^2$ .