2 years ago

Why is hip-hop & Zumba dance exercises so popular? does dancing make you a better person?

Physics

1 answer:

Studentka2010 [4]2 years ago

7 0

Answer:

not realy

Explanation:

dancing is a way of exercise and liking a song or you're just happy etc.

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1) According to the law of conservation of energy, A) an object loses most of its energy as friction. B) the total amount of ene

Blababa [14]

Your answer is C) the potential energy of an object is always greater than its kinetic energy

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3 years ago

In an experiment, a shearwater (a seabird) was taken from its nest, flown a distance 5220 km away, and released. It found its wa

Korolek [52]

Answer:

4.6834625323 m/s

0 m/s

Explanation:

s = Displacement

t = Time

Velocity is given by

$v=\dfrac{s}{t}\\\Rightarrow v=\dfrac{5220000}{12.9\times 24\times 60\times 60}\\\Rightarrow v=4.6834625323\ m/s$

The bird's average velocity for the return flight is 4.6834625323 m/s

In the whole episode the bird went 5220 km away from its nest and came back. This means the displacement is zero.

Hence, the average velocity for the whole episode is 0 m/s

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2 years ago

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(URGENT) A ball rolls off a ledge. Its velocity is 7.70m/s in a horizontal direction. It falls on the floor 1.60m below the ledg

elena-s [515]

Answer:

the horizontal distance is 4.355 meters

Explanation:

The computation of the horizontal distance while travelling in the air is shown below:

Data provided in the question is as follows

Velocity = u = 7.70 m/s

H = 1.60 m

R = horizontal direction

Based on the above information

As we know that

R = u × time

where,

Time = $\sqrt{\frac{2H}{g} }$

So,

= $7.70\times \sqrt{\frac{2\times 1.60}{10} }$

= 4.355 meters

hence, the horizontal distance is 4.355 meters

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2 years ago

Which statement is true regarding copper's ability to conduct electricity? Select one: A. Copper is a good conductor of electric

Elan Coil [88]

A. Copper is a good conductor of electricity because its atoms have a loosely held electron in their outer shell that is able to move freely to other atoms.

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2 years ago

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What is the function of the electron transport chain in cellular respiration. why is oxygen needed for the electron transport ch

SpyIntel [72]

1) The function of the electron transport chain is to pump protons in the mitochondrion inter-membrane, thus building up a proton gradient. This gradient will allow the ATP syntheses.

2) Why we need oxygen for the electron transport chain:
At the end of the electron transport chain is the Oxygen that will accept electrons and picks up protons to form water. If the oxygen molecule is not there the electron transport chain will stop running, and ATP will no longer be produced. Basically, we need the oxygen to produce more ATP.

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3 years ago