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ipn [44]
3 years ago
11

A 20 fluid oz. soda contains 201 calories. how many kilojoules does the soda contain?

Biology
2 answers:
algol [13]3 years ago
7 0
  The relation between calorie and kilo joul is  

1Cal=4.184 Kj  

1 Cal--------------------4.184 Kj
201 Cal--------------------- X Kj  
X=201*4.184/1=840.98 Kj  
<span>20 fluid oz. soda contains 840.98 Kj</span>
zvonat [6]3 years ago
3 0

Answer:

841.386 kilojoules

Explanation:

A Kilojoule is a unit used to determine or measure the amount of energy that is obtained from food substances.

It is important to note that 1 Calorie is equal to 4.186 kilojoules.

From the above question, a 20 fluid oz soda contains 201 calories

Hence, the number of kilojoules it contains is calculated as:

1 calorie = 4.186kilojoules

201 calories = X

Let X be the number of kilojoules contain in a 20 fluid oz. soda

We cross multiply

X = 4.186 × 201 calories

X = 841.386 kilojoules

Hence, a 20 fluid oz. soda contains 841.386 kilojoules of energy.

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An object has a velocity of 8 m/s and a kinetic energy of 480 J. What is the mass of the object? Formula=1/2mv^2 a(7.5 b(15 kg c
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Hello!

An object has a velocity of 8 m/s and a kinetic energy of 480 J. What is the mass of the object?

We have the following data:  

KE (Kinetic Energy) = 480 J

m (mass) = ? (in Kg)

v (speed) = 8 m/s  

Formula to calculate kinetic energy:  

KE = \dfrac{1}{2} *m*v^2

Solving:  

KE = \dfrac{1}{2} *m*v^2

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960 = 64m  

64m = 960

m = \dfrac{960}{64}

\boxed{\boxed{m = 15\:Kg}}\end{array}}\qquad\checkmark

Answer:

15 kg

_______________________

I Hope this helps, greetings ... Dexteright02! =)

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