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3 years ago

What do you think is the difference between being imaginative in doing science and Doing pseudoscience?

1 answer:

7 0

I would say that being imaginative in science means finding new ways to find or analyse the data, but which do not make the data false or which do not manipulate the data. Being imaginative in science should not cross the boundary of making the science not reliable

Being imaginative in pseudoscience could mean manipulating the data or even making experiments in such a way as to only obtaining specific data or throwing away certain data.

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A force F produces an acceleration a on an object of mass m. A force 3F is exerted on a second object, and an acceleration 8a re

Pie

To solve this problem we will proceed to use Newton's second law for which the mass (m) multiplied by the acceleration (a) is defined as the Force (F) applied on a body, mathematically that is,

$F = ma$

According to the statement for the first object, the acceleration is,

$a = \frac{F}{m} \rightarrow 1^{st} Object$

For the second object the acceleration is,

$8a = \frac{3F}{m_2} \rightarrow 2^{nd} Object$

Solving for the mass of the second object,

$m_2 = \frac{3F}{8a}$

$m_2 = \frac{3F}{8(F/m)}$

$m_2 = \frac{3}{8}m$

Therefore the correct answer is D.

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3 years ago

The Milky Way measures _________ light years in diameter.

Snowcat [4.5K]

Answer:

The Milky Way is about 1,000,000,000,000,000,000 km (about 100,000 light years or about 30 kpc) across. The Sun does not lie near the center of our Galaxy. It lies about 8 kpc from the center on what is known as the Orion Arm of the Milky Way.

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2 years ago

Figure 1.18 (Chapter 1) shows the Hoover Dam Bridge over

stiks02 [169]

Answer: 7.436 s

Explanation:

This situation is related to vertical motion, specifically free fall and can be modelled by the following equation:

$y=y_{o}+V_{o} t+\frac{gt^{2}}{2}$

Where:

$y= 0m$ is the final height of the object (when it makes splash)

$y_{o}=271 m$ is the initial height of the object

$V_{o}=0 m/s$ is the initial velocity of the object (it was dropped)

$g=-9.8m/s^{2}$ is the acceleration due gravity (directed downwards)

$t$ is the time since the objecct is dropped until it makes splash

$0=y_{o}+0+\frac{gt^{2}}{2}$

Clearing $t$ :

$t=\sqrt{\frac{-2y_{o}}{g}}$

$t=\sqrt{\frac{-2(271 m)}{-9.8m/s^{2}}}$

Finally:

$t=7.436 s$

6 0

3 years ago

Coil the length of 15 centimetres with a cross section of 30 centimetres square has a charge of 250. Inside the coil is a nickel

STALIN [3.7K]

Answer:

Write 1 event or Andrea Levi's experience that lead her to question her relationship to Britain and Jamaica

Explanation:

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2 years ago

When two oceanic plates converge, the plate with a greater density will subduct. This plate will partially melt, causing the for

N76 [4]

Answer:

Island arc

Explanation:

When two oceanic plates share a convergent type of plate boundary, the denser oceanic plate will subduct below the less dense oceanic plate. This will result in the formation of the subduction zone, where the rocks are being pulled down to the mantle. This subduction zone is typically marked by the presence of a narrow depression commonly known as an oceanic trench, that lies just above the zone.

The rocks of the subducting plate undergo partial melting and mix up with the magma that rises upwards towards the surface due to the force exerted by the convection currents. This later gives rise to the formation of volcanoes or a chain of volcanoes which are commonly known as an island arc.

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3 years ago