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Schach [20]
3 years ago
7

To accelerate, an object must *

Physics
1 answer:
Sonja [21]3 years ago
4 0
Answer: Not 100% sure but I think it’s C.

Hope this helps! ^^
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Geosynchronous satellites orbit the Earth at a distance of 42 000 km from the Earth's center. Their angular speed at this height
frozen [14]

Answer:

Force will be 7.97 N

Explanation:

We have given that earth is at s distance of 42000 km from the earth center

So r = 42000 km = 42000000 m

Mass m = 1500 kg

Angular velocity of earth \omega =7.29\times 10^{-5}rad/sec

We have to find the force

We know that force is given by

F=m\omega ^2r=1500\times (7.29\times 10^{-5})^2\times 42000000=797.1615\times 10^{-2}=7.97N

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3 years ago
Dos cargas puntuales q1 = −50μC y q2 = +30μC se encuentran
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Answer:

Datos:

q1 = -50 μC = 50*10^{-6}

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Aplicando la Ley de Coulomb:

x = \sqrt\frac{k0 * q1 *q2}{F} = \sqrt\frac{(9*10^{9} )*(50*10^{-6})*(30*10^{-6})}{10} = 1,162m

b) x si la <em>F = 20 N</em>

x=<em> </em>\sqrt\frac{(9*10^{9} )*(50*10^{-6})*(30*10^{-6})}{20}<em> </em>= 0,822m

c)x si la <em>F = 50 N</em>

x = \sqrt\frac{(9*10^{9} )*(50*10^{-6})*(30*10^{-6})}{50} = 0,520m

3 0
3 years ago
N an experiment, researchers want to determine if the __________ variable causes changes in the __________ variable.
chubhunter [2.5K]

C

independent; dependent

7 0
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D is the answer  I think (0 w 0 )

Explanation:

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Which one of the following does not accurately describe the universal gravitational law? Question 10 options: A) Gravitational f
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Choice C seems to be the right answer.

Explanation:

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