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sashaice [31]
3 years ago
10

True or false I will mark brainless ​

Physics
1 answer:
rewona [7]3 years ago
7 0

Answer:

a) False

b) True

c) False

d) True

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D : four times

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The cheetah can reach a top speed of 114 km/h (71 mi/h). While chasing its prey in a short sprint, a cheetah starts from rest an
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Motion I’m pretty sure
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Two objects, each with a charge of +0.15 C are separated by a distance of 3 meters.
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Answer:

A . Are the masses repelling or attracting

answer:

<em><u>So, positive energy densities ("masses") attract each other by gravitational interaction. This is the general idea.</u></em>

<em><u>B</u></em>. What is the magnitude of the electrical force between the objects<em><u>?</u></em>

<em><u>answer</u></em><em><u>:</u></em>

<em><u> </u></em><em><u>The magnitude of the electrostatic force F between two point charges q1 and q2 is directly proportional to the product of the magnitudes of charges and inversely proportional to the square of the distance between them.</u></em>

C. What would the magnitude of the force be if one of the charges was 1/3 the amount?

answer:

<em><u>0.45</u></em>

D. ) What would the force be if the distance between the charges was only 1 meter (with the original charges)?

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<em><u>Fmin=2.3×10^−28</u></em><em><u>N</u></em>

<em><u>E</u></em><em><u>:</u></em><em><u> </u></em>What would the force be if one of the charges was 1/3 the amount AND the distance was 1 meter?

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<em><u>Electrostatic force is directly related to the charge of each object. So if the charge of one object is doubled, then the force will become two times greater.</u></em>

<em><u>#</u></em><em><u>CARRYONLEARNING</u></em><em><u>:</u></em><em><u>)</u></em>

<em><u>LOVEUALL</u></em>

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3 years ago
A pendulum makes 40 vibrations in 20 seconds. calculate it's period?
DiKsa [7]

(20 seconds / 40 vibes) = (20/40) (seconds/vibe) =  0.5 second
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