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svp [43]
3 years ago
8

What is relative velocity?​

Physics
2 answers:
hjlf3 years ago
6 0
The relative velocity is the velocity of an object
joja [24]3 years ago
5 0
Search it up bruhhhhhhhhhhhhh
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What physical properties dose Neon have?
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The key properties of neon include the following:
It is a colorless, tasteless odorless inert gas.
It changes to reddish-orange color in vacuum tube.
It is chemically inactive.
It has the lowest liquid range of any element.
8 0
3 years ago
Read 2 more answers
A block with mass m =6.4 kg is hung from a vertical spring. When the mass hangs in equilibrium, the spring stretches x = 0.28 m.
Zanzabum

Answer

given,

mass of block (m)= 6.4 Kg

spring is stretched to distance, x = 0.28 m

initial velocity = 5.1 m/s

a) computing weight of spring

    k x = m g

k = \dfrac{mg}{x}

k = \dfrac{6.4 \times 9.8}{0.28}

      k = 224 N/m

b) f = \dfrac{\omega}{2\pi}

    \omega = \sqrt{\dfrac{k}{m}}= \sqrt{\dfrac{224}{6.4}} = 5.92 \ rad/s

   f = \dfrac{1}{2\pi}\sqrt{\dfrac{k}{m}}

   f = \dfrac{1}{2\pi}\sqrt{\dfrac{224}{6.4}}

  f =0.94\ Hz

c)  v_b = -v cos \omega t

    v_b = -5.1 \times cos (5.92 \times 0.42)

    v_b = 4.04\ m/s

d)  a_{max} = v \omega

    a_{max} = 4.04 \times 5.92

    a_{max} =23.94\ m/s^2

e)  Y =- A sin (\omega t)

    A = \dfrac{v}{\omega}

    A = \dfrac{4.04}{5.92}

        A = 0.682 m

    Y =- 0.682 \times sin (5.92 \times 0.42)

    Y =- 0.42

Force =m \omega^2 |Y|

          =6.4 \times 5.92^2\times 0.42

F = 94.20 N

4 0
3 years ago
Some volcanic eruptions are quiet and others are violent what causes this difference?
Step2247 [10]
Volcanoes that produce explosive eruptions tend to have thicker, more viscous magma, and a greater volume of gas. <span>Different types of volcanoes tend to produce different types of eruptions. Shield volcanoes, those with broad, gentle slopes, produce the quietest eruptions. The main difference is the shape of the volcano. 
</span>
Hope this helps, 

kwrob
7 0
3 years ago
For which object is the force of gravity greatest: Earth, Moon, or Sun? Why?
oksian1 [2.3K]
The sun. The more mass an object has, the greater gravitational pull it will have, as mass attracts other mass.
5 0
3 years ago
Testable hypotheses that lead to experiments usually describe a relationship between
Harlamova29_29 [7]

a measurable variable and a subjective opinion.

Explanation:

Testable hypothesis that leads to experiments usually describes a relationship between a measurable variable and a subjective opinion.

In testing a hypotheses through experiments, we often design our work to suit the use of two variables which are the measurable variable and the subjective opinion.

  • This often takes the shape of dependent and independent variables in an experiment.
  • Measurable variables can either be dependent, independent or controlled variables.
  • The subjective opinion is the scientific logic that governs hows two or more variables are related.

learn more:

Experiments brainly.com/question/5096428

#learnwithBrainly

5 0
3 years ago
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