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solniwko [45]
3 years ago
9

What to forces keep things In orbit

Physics
2 answers:
77julia77 [94]3 years ago
8 0
Gravity and the size of planets the more mass that planet has or density it hold more gravity
Aliun [14]3 years ago
6 0
Centripetal force.
................................
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Select the arrangement of electromagnetic radiation which starts with the lowest wavelength and increases greatest wavelength. M
Scorpion4ik [409]

Answer:

gamma rays, ultraviolet, infrared, radio

Explanation:

Because on the Electromagnetic spectrum wavelength increases from the gamma end to radio end and frequency decrease in that order

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3 years ago
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If two equal charges are separated by a certain distance, the force of repulsion is F. Given F1, if each charge in F1 is doubled
Alisiya [41]

Answer:F_2=16\times F_1

Explanation:

Given

Force of repulsion between two charge particle is given by force F

Electrostatic force is given by

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

where q_1 and q_2 is the charges  of particle

r=distance between charge particle

=\frac{kq^2}{r^2}when charges are doubled and distance is reduced to half

i.e. q become 2 q and r becomes 0.5 r

F_2=\frac{k(2q)^2}{(0.5r)^2}

F_2=\frac{kq^2}{r^2}\times 4\times 4

F_2=16\times F_1

         

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3 years ago
Why does a typhoon hit a location twice?
Natalka [10]
The reason a location usually doesn't get a storm within a few weeks of another one is more because of the general odds. They're low. And they're lower in Texas than in Florida. ... There are many locations a storm can develop and track
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3 years ago
A brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a force of 780 N on him. The
stich3 [128]

Answer:

f = 556.4 N

Explanation:

Mass of the losing player with its all equipment is given as

M = 86 kg

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also we know that acceleration of the losing player is given as

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now by Newton's 2nd law we will have

F - f = ma

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780 - f = 223.6

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3 years ago
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postnew [5]

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