3 years ago

A _______ is a tool often used to measure the amount of force exerted by an object

Physics

1 answer:

Marina86 [1]3 years ago

4 0

Answer:

Force meter

Explanation:

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3 years ago

You sit "at rest" in front of your computer to answer this question. But you sit on the surface of a planet that spins, so even

igomit [66]

Answer: Linear speed is 1,670 Kph.

Explanation:

If we assume that the earth is a perfect sphere, and that is spinning itself once every roughly 24 hr, we can get the angular velocity of the Earth, in magnitude, as follows:

ω = 2π / 24 Hr

Now, by definition, an angle is the relationship between the arc s, and the radius r, so we can replace these values in the angular velocity expression, as follows:

ω = (Δs / r) . 1/Δt ⇒ ω = (Δs/Δt). 1/r

But, by definition, Δs/At, is just the linear velocity, v, so we can conclude the following;

ω = v/r ⇒ v = ω. r

So, we can get v, as follows:

v = 2π /24 hr . 6378 Km = 1,670 Km/hr.

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2 years ago

Energy can be stored in a magnetic field. True or false?

Rzqust [24]

Your answer is here!

Yes It is true

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