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Anuta_ua [19.1K]
4 years ago
6

What does it mean to say that science is a “systematic” process?

Physics
2 answers:
gogolik [260]4 years ago
5 0
"1.<span> characterized by order and planning</span>
2.<span> not haphazard"
 is the answers i found in the dictionary </span>
Stells [14]4 years ago
5 0
Well, "Systematic" means doing something, according to plan, meaning if we play tic-tac-toe, and you go first and i go second, and it keeps repeating the same way, its systematic. Because we played according to the rules. The plan.
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What kind of small objects composes much of the universe?
Inga [223]
It’s atoms thank me later (give me brailiest)
7 0
3 years ago
Astronomers observe two separate solar systems each consisting of a planet orbiting a sun. The two orbits are circular and have
Oxana [17]

Answer:

(D) 3

Explanation:

The angular momentum is given by:

\vec{L}=\vec{r}\ X \ \vec{p}

Thus, the magnitude of the angular momenta of both solar systems are given by:

L_1=Rm_1v_1=Rm_1(\omega R)=R^2m_1(\frac{2\pi}{T_1})=2\pi R^2\frac{m_1}{T_1}\\\\L_2=Rm_2v_2=2\pi R^2\frac{m_2}{T_2}

where we have taken that both systems has the same radius.

By taking into account that T1=3T2, we have

L_1=2\pi R^2\frac{m_1}{3T_2}=\frac{1}{3}2\pi R^2\frac{1}{T_2}m_1=\frac{1}{3}\frac{L_2}{m_2}m_1

but L1=L2=L:

L=\frac{1}{3}L\frac{m_1}{m_2}\\\\\frac{m_1}{m_2}=3

Hence, the answer is (D) 3

HOPE THIS HELPS!!

3 0
3 years ago
An automobile with a mass of 1180 kg is traveling at a speed v = [06] ____________________ m/s. a. What is its kinetic energy in
iogann1982 [59]

Complete Question:

An automobile with a mass of 1180 kg is traveling at a speed v =2.51 m/s. What is its kinetic energy in SI units? What speed (m/s) must an 82.7-kg person move to have the same kinetic energy? At what speed (m/s) must is 12.1-g bullet move to have the same kinetic energy? What would be the speed (m/s) of the automobile if its kinetic energy were doubled?

Answer:

a) 3717.1 J b) 9.48 m/s c) 783.8 m/s d) 3.55 m/s

Explanation:

a)

  • By definition, the kinetic energy of a mass m with a speed v, is as follows:

      K = \frac{1}{2} * m *v^{2}

  • if m= 1180 Kg, and v= 2.51 m/s, the kinetic energy can be calculated as follows:

       K = \frac{1}{2} * m *v^{2} =  \frac{1}{2} * 1180 kg*(2.51 m/s)^{2} = 3717.1 J

b)

  • If the kinetic energy must be the same, and m= 82,7 Kg, we can write the following expression:

       K = \frac{1}{2} * m *v^{2} =  \frac{1}{2} * 82.7 kg*((v)(m/s))^{2} = 3717.1 J

  • We can solve the above equation as follows:

        v =\sqrt{\frac{2*K}{m} } = \sqrt{\frac{2*3717.1J}{82.7kg} } = 9.48 m/s

c)

  • If K remains the same, and m = 12.1 g = 0.0121 kg (in SI units). we can solve for v  as follows:

       v =\sqrt{\frac{2*K}{m} } = \sqrt{\frac{2*3717.1J}{0.0121kg} } = 783.8 m/s

d)

  • Now, if the kinetic energy were doubled, we would have the following equation:

       K = \frac{1}{2} * m *v^{2} =  \frac{1}{2} * 1180 kg*((v) m/s)^{2} = 3717.1 J * 2 = 7434.2 J

  • We can solve for the new speed v as follows:

        v =\sqrt{\frac{2*K}{m} } = \sqrt{\frac{2*7434.2J}{1180kg} } = 3.55 m/s

8 0
3 years ago
How large would a coin be with diameter of 3/4 in appear through a 5x lens
Lady_Fox [76]

Answer:

  h ’= 3.75 inch

Explanation:

For this exercise we use the definition of magnification which is the height of the image over the height of the object

                 m = h ’/ h

                  h’= m h

Let's calculate

               h ’= 5  3/4

              h ’= 3.75 inch

3 0
4 years ago
What effect can be observed in a planet’s speed in its orbit as it travels away from the Sun? A. increases B. remains same C. de
Nonamiya [84]

Answer:

i think the answer it C let me know if i'm wrong

Explanation:

6 0
4 years ago
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