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1 year ago

8

Because weight is a measurement of the amount of gravity pulling on an object, weight is considered a ______. Question 18 option

s: gravity force velocity motion.

1 answer:

Andrews [41]1 year ago

6 0

Answer: Force I believe.

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When it is at rotating at full speed, a disk drive in a certain old computer game system revolves once every 0.050 seconds. Star

Gemiola [76]

Answer:

α = 200*π rad/sec²

Explanation:

If the disk drive revolves once every 0.05 sec, this means that the angular velocity can be expressed as follows:

$\omega = \frac{2*\pi}{0.05s} = 40*\pi rad/sec$

(just applying the definition of angular velocity)
Now, it the disk started from rest, and took two revolutions to reach to full speed, assuming that the angular acceleration is constant, we can find the angular acceleration applying this kinematic equation:

$\omega_{f} ^{2} -\omega_{0} ^{2} = 2*\alpha * \Delta\theta$

where Δθ, is the angle rotated while it went from rest to full speed, i.e., 2 revolutions, or 2*π rads.
Replacing by the value that we found for ωf (as ω₀ = 0), we can solve for α :

$\alpha =\frac{\omega_{f}^{2} }{2*\Delta\theta} = \frac{(40*\pi)^{2} }{2*2*2*\pi } =\\ \\ \alpha = 200*\pi rad/sec2$

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3 years ago

What causes the movement of the crust that leads to volcanoes, mountains, and seafloor spreading?

Salsk061 [2.6K]

Answer:

B.convection currents in the mantle

Explanation:

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2 years ago

¿Cuál es la intensidad del campo eléctrico a una distancia de 2 m de una carga de -12μC? *

ahrayia [7]

Answer:

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2 years ago

You test a moon buggy on Earth. When the buggy hits a bump, it oscillates up and down on its springs with a period of 4 seconds.

Blizzard [7]

Answer:

Remains same

Explanation:

$T$ = Time period of oscillation

$m$ = mass

$k$ = spring constant

Time period of oscillation is given as

$T = 2\pi \sqrt{\frac{m}{k} }$

we know that as we move from earth to moon, the value of spring constant "k" and mass "m" remains unchanged because they do not depend on the acceleration due to gravity.

Time period depends on spring constant inversely and directly on the mass.

hence the time period remains the same.

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3 years ago

Which change to a circuit is most likely to increase it electrical power

Darina [25.2K]

Answer:

A................

Explanation:

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2 years ago

Read 2 more answers