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Ganezh [65]
3 years ago
12

Which of the following is the most reasonable weight in units of newtons for an average adult?

Physics
2 answers:
Oliga [24]3 years ago
7 0

Answer: The reason weight for average adult is 530N

Explanation: The clearly see this answer, let's convert this weight to kg using F=mg

530=m×9.8

g is a constant of 9.8m/s2

We divide both sides by 9.8 to get

54kg then this weight is reasonable for an average adult.

ValentinkaMS [17]3 years ago
5 0

Answer:

Explanation:

120 N AND 530N

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The time for half the atoms in a radioactive substance to disintegrate

https://www.vocabulary.com/dictionary/half-life
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Why is it important that home circuits are wired with parallel circuits?
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Answer:

Parallel circuits are used in homes because the loads can be operated independently of each other. That means that you can have an electrical item turned on and running without needing to have all of the other loads on and running as well.

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To view an interactive solution to a problem that is similar to this one, select Interactive Solution 7.24. A 0.0129-kg bullet i
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Answer:

t=0.42s

Explanation:

Here you have an inelastic collision. By the conservation of the momentum you have:

m_1v_1+m_2v_2=(m_1+m_2)v

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m2: wooden block mass

v1: velocity of the bullet

v2: velocity of the wooden block

v: velocity of bullet and wooden block after the collision.

By noticing that after the collision, both objects reach the same height from where the wooden block was dropped, you can assume that v is equal to the negative of v2. In other words:

m_1(-v_1)+m_2v_2=(m1+m2)(-v2)

Where you assumed that the negative direction is upward. By replacing and doing v2 the subject of the formula you get:

-(0.0129kg)(767m/s)+(1.17kg)v_2=(1.1829kg)(-v_2)\\\\v_2=4.20m/s

Now, with this information you can use the equation for the final speed of an accelerated motion and doing t the subject of the formula. IN other words:

v_2=v_o+gt\\\\t=\frac{v_2-v_o}{g}=\frac{4.2m/s-0m/s}{9.8m/s^2}=0.42s

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4 0
3 years ago
John is hiking and notices a small stream of water flowing down the side of the mountain. What part of the water cycle is John o
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2 years ago
Two masses of size m and 4m are connected by a massless thread and are strung over a frictionless pulley of radius R and moment-
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Answer:

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Therefore, we have :

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Total kinetic energy of entire system is 3 mgl

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