2 years ago

Describe the structure and composition of the universe

1 answer:

7 0

The universe is composed of clusters of spacial bodies, depending on size and number of one unit, they can be called as clusters, superclusters, galaxies and aside from this notable groups we have space. The universe in terms of chemical composition is vastly made up of atoms and molecules, however with very little percentage of successful space exploration we are yet to note of the actual elemental composition of this vast universe. Although for starters, with the help of science we are able to study our own earth and sun and found some important and key element present, carbon, oxygen, hydrogen and helium.

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You and your friend, who weighs the same as you, want to go to the top of the Eiffel Tower. Your friend takes the elevator strai

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Answer:Same

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Gravitational Potential energy is the function of height i.e. it is proportional to the height gained by an object or in other words work done against gravity is also gravitational Potential energy

For the same mass, if both attained the same height then gravitational Potential energy of both the friends is equal as it does not depend upon the path taken by the person.

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2 years ago

If a lever has an input arm of 80 cm and an output arm of 20 cm, what is its ideal mechanical advantage?

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Explanation:

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1 year ago

A thermogram taken outside a house shows high amounts of thermal energy around the windows but not around the roof.

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Answer:

c- The windows are not energy efficient, but the roof is energy efficient.