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yan [13]
2 years ago
14

A boy of mass 60 kg and a girl of mass 40 kg are together and at rest on a frozen pond. What is the initial momentum of the boy?

Chemistry
1 answer:
Marianna [84]2 years ago
8 0

The initial momentum of the boy is 0 kgm/s the right option is A. 0 kgm/s.

<h3>What is momentum?</h3>

Momentum can be defined as the product of mass and velocity. The S.I unit of momentum is kgm/s.

The initial momentum of the boy can be calculated using the formula below.

Formula:

  • M' = mu

Where:

  • M = Initial momentum of the boy

From the question,

Given:

  • M = mass of the boy = 60 kg
  • U = Initial velocity of the boy = 0 m/s (at rest)

Substitute these values into equation 1

  • M = 60(0)
  • M = 0 kgm/s

Hence, The initial momentum of the boy is 0 kgm/s the right option is A. 0 kgm/s.
Learn more about momentum here: brainly.com/question/7538238

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Allushta [10]

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3 years ago
How do electrostatic forces affect the electrons in an atom?​
svlad2 [7]

Answer:

allows the atoms of different elements to bond together to form new substances

8 0
2 years ago
Consider the following electron configurations to answer the questions that follow: (i) 1s2 2s2 2p6 3s1 (ii) 1s2 2s2 2p6 3s2 (ii
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Now After Removing that Electron...

Sodium's Electronic Configuration Reduces to that of Neon Which is 2, 8.

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So

Option (i) [Sodium] has the highest 2nd Ionization Energy

6 0
3 years ago
Una disolución contiene 40% de ácido acético en masa. La densidad de la disolución es de 1.049 g/mL a 20°C. Calcule la masa de á
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Answer:

52.45g

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x = 40g. 125ml ÷ 95.328

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4 0
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In the space provided, for each element, type the ionic charge of an atom with a full set of valence electrons. Then, type the n
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