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Alexus [3.1K]
3 years ago
15

Is it true that newtons laws of universal gravitation states that every object in the universe attracts every other object

Physics
1 answer:
alexandr402 [8]3 years ago
6 0

Newton's laws clearly state that his laws talk about force and that   every object persists in it's state of rest or uniform motion in a straight line unless it is compelled to change the state that it is in. SO in that hence i would have to say that the statement is false.

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Which scientist discovered the two radioactive elements radium and polonium?
kolezko [41]
The scientist who discovered the two elements radium and polonium would be Marie Curie in 1898.

Hope this helps!
6 0
3 years ago
Se lanza verticalmente una esfera con una rapidez de 30m/se. Determinar la rapidez de la esfera a una altura de 40m (g=10m/s2)
sergeinik [125]

v^2-{v_0}^2=2a(x-x_0)

dónde v es la velocidad de la esfera, v_0 es suya velocidad inicial, a=-g la aceleración debida a la gravedad, x la posición, y x_0 la posición inicial. Tomamos x_0=0\,\mathrm m a referirse a la posición de la esfera en el momento que la esfera fue lanzada.

Entonces

v^2-\left(30\,\dfrac{\mathrm m}{\mathrm s}\right)^2=2\left(-10\,\dfrac{\mathrm m}{\mathrm s^2}\right)(40\,\mathrm m)

\implies v^2=100\,\dfrac{\mathrm m^2}{\mathrm s^2}\implies v=\pm10\,\dfrac{\mathrm m}{\mathrm s}

Esto nos dice que la esfera alcanza una altura de 40 m en dos momentos - una vez hacia arriba y una vez hacia abajo. Sin embargo, independientemente del signo de la velocidad, sabemos que suya magnitud es 10 m/s, y así tenemos una rapidez de 10 m/s también en ambos momentos.

4 0
3 years ago
Using the right amount of significant figures, calculate the answer to the following problem, 215.5+101.02555
cestrela7 [59]

Answer:

This is how I figured it out:

  1. 215.5 rounded to one significant figure is 200
  2. 101.02555 rounded to one significant figure is 100.
  3. 200 + 100 = 300.

Hope this helps!

Explanation:

7 0
3 years ago
Iron ball sinks in water but not in mercury. Why?
Zigmanuir [339]

Answer:

mercury is more dense

Explanation:

8 0
3 years ago
Read 2 more answers
Which best explains why the shape of a liquid can change?
topjm [15]
The particles in a liquid are extremely fast, not faster than a gas, but faster than a solid. The way the particles move allow you to get volume but not area for it doesn't have a defiant shape
3 0
3 years ago
Read 2 more answers
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