3 years ago

As shown in the figure below, Cindy rushes 30 mtoward her truck. She notices she forgot her lunch and

Physics

1 answer:

kvasek [131]3 years ago

8 0

Answer:

A: 0 m/s I think

B: 1.5 m/s

Explanation:

If she returned to her starting position then she has covered no distance as far as velocity is concerned.

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An asteroid orbiting the Sun has a mass of 4.00×1016 kg. At a particular instant, it experiences a gravitational force of 3.14×1

Ksivusya [100]

<h2>The asteroid is 4.11 x 10¹¹ m far from Sun</h2>

Explanation:

We have gravitational force

$F=\frac{GMm}{r^2}$

Where G = 6.67 x 10⁻¹¹ N m²/kg²

M = Mass of body 1

M = Mass of body 2

r = Distance between them

Here we have

M = Mass of Sun = 1.99×10³⁰ kg

m = Mass of asteroid = 4.00×10¹⁶ kg

F = 3.14×10¹³ N

Substituting

$F=\frac{GMm}{r^2}\\\\3.14\times 10^{13}=\frac{6.67\times 10^{-11}\times 1.99\times 10^{30}\times 4\times 10^{16}}{r^2}\\\\r=4.11\times 10^{11}m$

The asteroid is 4.11 x 10¹¹ m far from Sun

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3 years ago

Which is gerrymandering a problem for the house of representatives but not the senate?

Fudgin [204]

Senators are elected in statewide elections rather than in specific districts. <em>(D)</em>

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3 years ago

In which state of matter are water molecules measured as having a comparatively high temperature?

AnnZ [28]

Liquid water because if it said very high then it would be water vapor but it didn’t say that so the answer is B liquid water

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3 years ago

The Acorn Insurance Company charges $3.50 for each unit of coverage under a block of 1-year term life insurance policies. The an

ICE Princess25 [194]

Answer:

$175

Explanation:

Insurance premium is expressed as a rate $1000

($3.50 per $1000)

Therefore;

Annual premium= $50000x$3.50/$1000

= $175

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3 years ago

Why should you use control while during an experiment?

Sergio039 [100]

To provide a greater certainty that the observed results are not by chance.

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