3 years ago

A star is 20 pc away from us. Calculate its parallax angle.

Biology

1 answer:

Anton [14]3 years ago

6 0

Explanation:

distance to star i n parsecs=1/P.

Explanation:

1/0.25=4 Parsecs.enter image source here

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A 35 kg child moves with uniform circular motion while riding a horse on a carousel. The horse is 3.2 m from the carousel's axis

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<h2>Hello!</h2>

The answer is:

b. $\frac{2.11m}{s^{2}}$

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The centripetal acceleration can be calculated using the following equation:

$CentripetalAcceleration=\frac{v^{2}}{RadiusOfMotion}$

From the statement we know that:

$v=TangentialSpeed=\frac{2.6m}{s} \\R=3.2m$

So, calculating we have:

$CentripetalAcceleration=\frac{{2.6^{2} \frac{m}{s} }}{3.2m}=\frac{{6.76\frac{m}{s} }}{3.2m}=\frac{2.11m}{s^{2} }$

So, the correct answer is:

b. $\frac{2.11m}{s^{2}}$

Have a nice day!

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4 years ago