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Nostrana [21]
3 years ago
5

Imagine a bouncing ball that does not lose any energy

Physics
1 answer:
OleMash [197]3 years ago
4 0
It would never stop bouncing.
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You are working in a shoe test laboratory measuring the coefficients of friction for running shoes on a variety of surfaces. The
AnnZ [28]

Answer:

0.75

Explanation:

Since the static frictional force is the maximum force applied just before sliding, our frictional force, F is 300 N.

Since F = μN where μ = coefficient of static friction and N = normal force = 400 N (which is the downward force applied against the surface).

So, μ = F/N

= 300 N/400 N

= 3/4

= 0.75

So, the  coefficient of static friction μ = 0.75

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A static electric charge can be released as __________. *
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Despite the use of diffrent types of measurement in our country<br>​
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Answer: For standardization purposes

Explanation:

As the question mentions, there were different types of measurements in the country for the same things so measuring a thing in one type of measurement and then comparing it to another was quite cumbersome.

It also made comparing units with the rest of the world difficult. To combat this the SI system was introduced. It gave an international standard for measuring different things based on the metric system. This allowed for worldwide standardization and comparison as things could now be measured in the same units.

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3 years ago
When using the magnification equation, a value greater than 1 as the solution for M indicates that the image is_____________.
Alexxandr [17]
Larger than the object.
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4 years ago
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A runner achieves a velocity of 11.1 m/s, 9 sec after he begins. What is his
Elena-2011 [213]

Answer:

1.23 m/s²

Explanation:

Given:

v₀ = 0 m/s

v = 11.1 m/s

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v = at + v₀

Plug in:

11.1 m/s = a (9 s) + 0 m/s

a = 1.23 m/s²

The runner's acceleration is 1.23 m/s².

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3 years ago
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