3 years ago

True or false momentum is a scaled quantity

Physics

1 answer:

kicyunya [14]3 years ago

8 0

False momentum is a vector quantity

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Explanation: The scientist should use radio waves. I think this because you can use the radio waves to analyze the signals from outer space. This will work much better than anything there, to analyze it the best possible.

The best I could do.

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3 years ago

Describe an object's velocity when an acceleration-time graph is zero?

svp [43]

Anything times zero is zero

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An object increases its velocity from 22 m/s to 36 m/s in 5.0 s. What is the average velocity of the object?

Luden [163]

Answer:

$a=2.8\ m/s^2$

Explanation:

Given that,

Initial velocity of an object, u = 22 m/s

Final velocity of an object, v = 36 m/s

Time, t = 5 s

It can be assumed to find the average acceleration of the object instead of average velocity.

The change in velocity per unit time is equal to average acceleration of an object. It can be given by :

$a=\dfrac{v-u}{t}\\\\a=\dfrac{36\ m/s-22\ m/s}{5}\\\\\a=\dfrac{14}{5}\ m/s^2\\\\a=2.8\ m/s^2$

So, the acceleration of the object is $2.8\ m/s^2$ .

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3 years ago

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Keith_Richards [23]

Answer:

Earth is nearest the Sun in July and farthest away in July.

Explanation:

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In the 1960s what dance was being created in the west coast

DerKrebs [107]

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