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kherson [118]
3 years ago
14

How far away is the moon?

Physics
2 answers:
Fed [463]3 years ago
5 0
The moon is 230,100 miles from planet earth.
bekas [8.4K]3 years ago
3 0
338 855 miles from earth to the moon (approx. since the moon and the earth both move
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A uniform electric field exists everywhere in the x, y plane. This electric field has a magnitude of 4500 N/C and is directed in
Anton [14]

Answer with Explanation:

We are given that

E=4500 N/C

q=-5.5\times 10^{-9} C

a.x=-0.2 m

E'=\frac{Kq}{r^2}=\frac{9\times 10^9\times 5.5\times 10^{-9}}{(0.2)^2}=1237.5 N

Where k=9\times 10^9

Net electric field=E+E'=4500+1237.5=5737.5 N/C

b.x=0.20 m

Net electric field=E-E'=4500-1237.5=3262.5 N/C

c.y=0.20 m

E=1237.5 N/C

Net electric field=\sqrt{E^2+E'^2}=\sqrt{(4500)^2+(1237.5)^2}=4667.05 N/C

7 0
3 years ago
A block with a mass of 0.600 kg is connected to a spring, displaced in the positive direction a distance of 50.0 cm from equilib
tankabanditka [31]

Answer:

Explanation:

The amplitude of the oscillation under SHM will be .5 m and the equation of

SHM can be written as follows

x = .5 sin(ωt + π/2) , here the initial phase is π/2 because when t = 0 , x = A ( amplitude) , ω is angular frequency.

x = .5 cosωt

given , when t = .2 s , x = .35 m

.35 = .5 cos ωt

ωt = .79

ω = .79 / .20

= 3.95 rad /s

period of oscillation

T = 2π / ω

= 2 x 3.14 / 3.95

= 1.6 s

b )

ω = \sqrt{\frac{k}{m} }

ω² = k / m

k = ω² x m

= 3.95² x .6

= 9.36 N/s

c )

v = ω\sqrt{(a^2-x^2)}

At t = .2 , x = .35

v = 3.95 \sqrt{.5^2-.35^2}

= 3.95 x .357

= 1.41 m/ s

d )

Acceleration at x

a = ω² x

= 3.95 x .35

= 1.3825 m s⁻²

7 0
3 years ago
How does the numerical value of "e" change as the shape of the ellipse approaches a straight line?
Aleks04 [339]
At eccentricity = 0 we get a circle For 0 < eccentricity < 1 we get an ellipse for eccentricity = 1 we get a parabola for eccentricity > 1 we get a hyperbola for infinite eccentricity we get a lineSHOW FULL ANSWER
4 0
3 years ago
What is the car's average velocity
Arisa [49]

Answer:

vận tốc bằng quãng đường chia thời gian

Explanation:

v=s/t

7 0
3 years ago
How is pysical science related to biology??
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Biological and Physical Science<span> is an interdisciplinary ( </span><span>relating to more than one branch of knowledge.) </span>major that combines subjects in biology<span> and </span>physical sciences<span>. </span>Physical Science<span> involves the nonliving </span>physical world. Some of the subjects are astronomy, chemistry, geology, physics, math, and meteorology. :) 

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