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REY [17]
3 years ago
10

When motion is measured a starting point is called ?

Physics
1 answer:
AleksAgata [21]3 years ago
5 0
The starting point for measuring motion is called : The Reference Point.


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Why is random sampling and random assignment in experimental research important?
Hunter-Best [27]

So the result is not biased or affected in some way

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It is August 1st and you are at a Science Camp in Florida. During an outdoor science quiz, you are asked to identify the tempera
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The 8 kg block is then released and accelerates to the right, toward the 2 kg block. The surface is rough and the coefficient of
natita [175]

Answer:

3.258 m/s

Explanation:

k = Spring constant = 263 N/m (Assumed, as it is not given)

x = Displacement of spring = 0.7 m (Assumed, as it is not given)

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Energy stored in spring is given by

U=\dfrac{1}{2}kx^2\\\Rightarrow U=\dfrac{1}{2}\times 263\times 0.7^2\\\Rightarrow U=64.435\ J

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The speed of the 8 kg block just before collision is 3.258 m/s

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3 years ago
The kinetic energy of a book on a shelf is equal to the work done to lift the book to the shelf. t/f
Svet_ta [14]
The kinetic energy of a book on a shelf is equal to the work done to lift the book to the shelf is false. The kinetic energy on the shelf is zero because it is not in action.
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True or false. when objects collide , some momentum is lost
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Answer:

It is neither false nor true. When they collide some of one of the objects goes to the other object.

Explanation:

5 0
3 years ago
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