4 years ago

Which planet would most likely have seasonal variations closest to those of Earth?

Physics

2 answers:

liubo4ka [24]4 years ago

7 0

I thank mars could be the closest to earths seasonal variations

djverab [1.8K]4 years ago

6 0

it should be Mars really

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Two point charges are fixed on the y axis a negative point charge q1-26 μC at y1 = +0.21 m and a positive point charge q2 art y2

11111nata11111 [884]

Answer:

$3.13\times 10^{-5} C$

Explanation:

We are given that

$q_1=26\mu C=26\times 10^{-6} C$

$1\mu C=10^{-6} C$

$y_1=0.21 m$

$q=8.1\mu C=8.1\times 10^{-6} C$

$y_2=0.39 m$

F=28 N

We have to find the magnitude of q2.

We know that

$F=\frac{kq_1q_2}{r^2}$

Where $k=9\times 10^9$

Using the formula

Force on charge q due to charge q1

$F_1=\frac{9\times 10^9\times 26\times 10^{-6}\times 8.1\times 10^{-6}}{(0.21)^2}$

$F_1=42.98 N$

Force on charge q due to point charge q2

$F_2=\frac{9\times 10^9\times q_2\times 8.1\times 10^{-6}}{(0.39)^2}$

$F_2=4.79\times 10^5 q_2$

$F=F_1-F_2$

$28=42.98-4.79\times 10^5q_2$

$4.79\times 10^5q_2=42.98-28=14.98$

$q_2=\frac{14.98}{4.79\times 10^5}=3.13\times 10^{-5} C$

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3 years ago

Simplify -2/3 - 3/5 A) -1/15 B) -19/15 C) -3/5 D) -5/8

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I got B,when you subtract 3/5 from NEGATIVE 2/3 it creates a negative 19 over a positive 15.

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3 years ago

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Explanation:

Check attachment for solution

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It has a high frequency

Explanation:

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Answer:

C. Resist change in motion.

Explanation:

Inertia: the tendency of an object to resist a change in motion unless an outside force acts on the object.

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3 years ago

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