3 years ago

I am looking for this answer :Which shows a correct order of steps in the scientific method?

Physics

1 answer:

ELEN [110]3 years ago

6 0

Answer:

Explanation:

make observations, draw conclusions, develop a hypothesis, analyze data.

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An object is moving at a constant speed along a straight line. Which of the following statements is not true? A. There must be a

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Answer:

False statement = There must be a non-zero net force acting on the object.

Explanation:

An object is moving at a constant speed along a straight line. If the speed is constant then its velocity must be constant. We know that the rate of change of velocity is called acceleration of the object i.e.

$a=\dfrac{dv}{dt}$

a = 0

⇒ The acceleration of the object is zero.

The product of force and acceleration gives the magnitude of force acting on the object i.e.

F = m a = 0

⇒ The net force acting on the object must be zero.

So, the option (a) is not true. This is because the force acting on the object is zero. First option contradicts the fact.

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When is a white dwarf formed?

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When a red giant has insufficient mass it pretty much sheds its outer layer to leave the center core know as the white dwarf

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True or False: Exercise is an underrated stress reliever and can be used to 25

Andreyy89

Answer:

I think it is true I'm not saying it is but if you get another person who says its true say true

Explanation:

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Suppose a wheel with a tire mounted on it is rotating at the constant rate of 2.59 times a second. A tack is stuck in the tire a

Vesna [10]

Answer:

Tangential speed=5.4 m/s

Radial acceleration= $88.6m/s^2$

Explanation:

We are given that

Angular speed=2.59 rev/s

We know that

1 revolution= $2\pi rad$

2.59 rev= $2\pi\times 2.59=5.18\pi=5.18\times 3.14=16.27 rad/s$

By using $\pi=3.14$

Angular velocity= $\omega=16.27rad/s$

Distance from axis=r=0.329 m

Tangential speed= $r\omega=16.27\times 0.329=5.4m/s$

Radial acceleration= $\frac{v^2}{r}$

Radial acceleration= $\frac{(5.4)^2}{0.329}=88.6m/s^2$

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1 jWhat is the correct unit for temperature? <br>

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Answer:

Answer: Kelvin ________________

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