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Ainat [17]
3 years ago
14

Chemical energy is energy that

Physics
1 answer:
nadya68 [22]3 years ago
4 0

Answer:

Chemical energy is the potential of a chemical substance to undergo a chemical reaction to transform into other substances. Examples include batteries, food, gasoline, and etc. Breaking or making of chemical bonds involves energy, which may be either absorbed or evolved from a chemical system

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A person walks due south from point A for 500 yards and then due west for 300 yards, arriving at point B. Answer the following q
Pepsi [2]

The total displacement of the person walking from point A to point B is 300 yards.

As shown in the figure we can conclude that the required method to calculate the total displacement is the Pythagoras theorem.

<h3>Pythagoras theorem in brief :</h3>

According to the Pythagorean Theorem, the square that represents the hypotenuse, or side of a right triangle that faces the right angle, is equal to the total of the squares on the triangle's legs.(or, in popular algebraic notation, a^2 + b^2 = c^2).

<h3>Calculation: </h3>

Let,

a = 500

b=  300

Hence by using Pythagoras' theorem

Total displacement of the person = \sqrt{500^{2}  + 300^{2} } = \sqrt{900000} = 300

Thus the total displacement of the person from starting point is 300 yards.

Learn more about the displacement examples here:

brainly.com/question/11188852

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2 years ago
Can you guys make a three line poem with the word time
Elina [12.6K]
Time should not be messed with
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so think before you act or you'll regret it
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3 years ago
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James decides to walk home from school today. He lives 3 miles from school and can walk home in 45 minutes. At what rate is Jame
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B 1 mile/15 minutes is the right one
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tourist travels 1500 miles using two planes. The second plane averages 50 miles per hour faster than the first plane. The touris
Genrish500 [490]

Answer

given,

tourist travels = 1500 miles

second plane averages 50 miles per hour faster than the first plane.

x = y + 50

The tourist uses the slower plane for the first 500 and the faster plane for the next 1000 miles.

total flying time = 6.5 hours

\dfrac{500}{y} + \dfrac{1000}{x} = 6.5

\dfrac{500}{y} + \dfrac{1000}{y + 50} = 6.5

\dfrac{500(50 + y)+ 1000 y}{y(y + 50)} = 6.5

25000 + 600 y = 6.5 y^2 + 325 y

6.5 y^2 - 275 y - 25000 = 0

on solving equation

y = 86.67 mile/hr

x = 86.67 + 50

x = 136.67 mile/hr

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Naoki's bicycle has a mass of 10 kg. If Naoki sits on her bicycle and starts pedaling with a force of 170.1 N, causing an accele
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