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omeli [17]
2 years ago
8

While studying bacterial cells, scientists measure the lengths of the cells in one colony. The chart shows their data.

Physics
2 answers:
balandron [24]2 years ago
7 0

Answer:

C.consider that there was an error during measuring and collect further data

Explanation:

Some branches of biology, when work requires intense contact with bacteria, use a technique known as “bacterial culture”. The technique is used as a catalyst, and aims to improve the performance of the processes involved. The bacterial culture technique basically consists of promoting the multiplication of colonies of microbial organisms in vitro. Bacteria colonies are genetically similar organisms, so it is likely that the colonies cells will have very similar sizes. Accordingly, in the case presented in the question, we can consider that there was an error during the measurement and that more data should be collected.

Hitman42 [59]2 years ago
5 0

The scientists should best deal with this measurement by stating that there was an error during measuring and collect further data.

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Stolb23 [73]

Options A and D are correct. The strength of the force of friction depends on the objects' sizes and weights and the heat generated by the friction and the types of surfaces involved.

<h3 /><h3>What is the friction force?</h3>

It is a type of opposition force acting on the surface of the body that tries to oppose the motion of the body. its unit is Newton (N).

Mathematically, it is defined as the product of the coefficient of friction and normal reaction.

On resolving the given force and acceleration in the different components and balancing the equation gets. Components in the x-direction.

The strength of the force of friction depends on the two factors, as;

A. The objects' sizes and weights.

D. The heat generated by the friction and the types of surfaces involved.

Hence, options A and D are correct.

To learn more about the friction force, refer to the link;

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2 years ago
Which type of waves from the electromagnetic spectrum are used in heat lamps and heat sensing devices?
Alex73 [517]
Infrared waves are used in heat lamps and other heat sensing devices. Infrared waves or commonly known as Infrared radiations (IR) is the type of electromagnetic radiation we encounter most in our everyday life. Heat lamps are electrical devices which emit infrared radiation.
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3 years ago
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Knowing that the board is 4 meters long, one child weighs 300 n and the other 250 n, where should one of the children sit so tha
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8 0
3 years ago
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Greeley [361]

Answer:

The efficiency is 0.33, or 33%.

Explanation:

From the thermodynamics equations, we know that the formula for the efficiency of a heat engine is:

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\eta=1-\frac{200J}{300J}=0.33

This means that the efficiency of the heat engine is 0.33, or 33% (The efficiency of an engine is dimensionless).

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