What is the most widely accepted model of how the solar system formed? Explain how the solar system formed under this model

1 answer:

3 0

Heliocentric model. It is the model where the sun is it the middle. and the planets are orbiting the sun like this (in order from shorter to longer). Mercury,Venus,Earth,Mars,Jupiter,Saturn,Uranus,and Neptune.

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The state of an object accelerating due to the force of gravity alone

Nookie1986 [14]

If gravity is the ONLY force acting on an object, that's when we say the object is in "<em>free fall</em>".

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4 years ago

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What is the name of the compound of MgO

MissTica

The correct answer would be <span>Magnesium oxide

Hope this helped :)

</span>

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3 years ago

What ramp angle would produce an acceleration of 2 m/s2 for a cart rolling down? Assume no friction and that the angle is measur

r-ruslan [8.4K]

From Newton's second law:
a = F/mass
Therefore, acceleration of an object rolling a ramp would be:
a = g(sin theta) - friction coefficient (g) (sin theta)
The negative sine is due to the kinetic energy opposing the gravity

We are given that the friction coefficient is zero, the g is a constant = 9.8 m/sec and the acceleration is 2 m/sec^2
Substituting in the equation, we get:
2 = 9.8 sin(theta)
sin (theta) = 0.20408
theta = 11.7757 degrees

7 0

4 years ago

Homework help plz it would help a lot

blagie [28]

#82

here we know that

acceleration = 2 m/s/s

time = 5 s

initial speed = 4 m/s

now we can use kinematics to find the final speed

$v_f = v_i + at$