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denis-greek [22]

3 years ago

7

Which of the following are events?

1 answer:

ira [324]3 years ago

3 0

Answer:

G..................

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This graph shows velocity vs. time. What does the slope of the line represent? A. speed B. force C. acceleration D. distance

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I believe the answer is C. Acceleration. (:

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Which of the following describes electric change?

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What is true weightlessness ?

alukav5142 [94]

Answer:

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2 years ago

We dont see objects. We see the light ____ off objects.

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3 years ago

In an engine governor, the two spheres (total mass of 1.0kg) are at 0.05m and rotating at 37rad/s If the engine increases the an

kirill115 [55]

Here we can say that there is no external torque on this system

So here we can say that angular momentum is conserved

so here we will have

$I_1\omega_1 = I_2\omega_2$

now we have

$I_1 = mr^2$

$I_1 = (1kg)(0.05^2)$

$I_1 = 25\times 10^{-4} kg m^2$

similarly let the final distance is "r"

so now we have

$I_2 = mr^2$

$I_2 = 1r^2$

now from above equation we have

$(25\times 10^{-4})37 = (r^2)(58)$

$r = 0.04 m$

so final distance is 0.04 m between them

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3 years ago