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Marianna [84]
3 years ago
5

A database that is flexible and easy to use was recently installed. the data is stored in rows and columns much like a spreadshe

et. what type of database must have been installed?
Physics
1 answer:
andre [41]3 years ago
7 0

The correct answer is Relational Database

You might be interested in
Which diagram represents magnetic field lines between two north magnetic poles?
masya89 [10]
Magnetic field lines come from North pole and goes to south pole, as there are two north poles, they will be going from both the poles.

In short, Your Answer would be Option 4

Hope this helps!
3 0
3 years ago
Read 2 more answers
a girl skateboards with a kinetic energy of 2543.2 J. if the girl and the skateboard have a total mass of 110 kg, what is her sp
zhuklara [117]
     Using the definition of kinetic energy, we have:

E_{c}= \frac{mv^2}{2}  \\ 2543.2*2=110v^2 \\ \boxed {v=6.8m/s}
6 0
3 years ago
According to the nebular theory of solar system formation, which law best explains why the solar nebula spun faster as it shrank
Lerok [7]

The law of conservation of angular momentum.

What is angular momentum?

Angular momentum is the rotational analog of linear momentum in physics. It is a conserved quantity, meaning the total angular momentum of a closed system remains constant. Both the direction and magnitude of angular momentum are conserved.

What is the law of conservation of angular momentum?

The law of conservation of angular momentum asserts that a system's total angular momentum is conserved when there is no external torque present. In other words, the magnitude and direction of the total angular momentum of an isolated system remain constant.

According to the Nebular Theory, the solar system originated as a massive, slowly rotating cloud of gas measuring around one light-year in diameter. As the cloud cooled, its own gravity caused it to collapse. It distorted into a revolving pancake shape due to the conservation of angular momentum, which required it to spin faster as it shrank.

Hence, the law of conservation of angular momentum best explains why the solar nebula spun faster as it shrank in size.

To leans more  about the law of angular momentum link is given:

brainly.com/question/26870978?

#SPJ4

6 0
1 year ago
The diagram shows a ball resting at the top of a hill.
WARRIOR [948]

Answer:

a) The potential energy in the system is greatest at X.

Explanation:

Let be X the point where a ball rests at the top of a hill. By applying the Principle of Energy Conservation, the total energy in the physical system remains constant and gravitational potential energy at the top of the hill is equal to the sum of kinetic energy, a lower gravitational energy and dissipated work due to nonconservative forces (friction, dragging).

U_{grav, X} = U_{grav, Y} + K_{Y} + \Delta W_{X \rightarrow Y} = U_{grav,Z}+\Delta W_{X \rightarrow Z}

Conclusions are showed as follows:

a) The potential energy in the system is greatest at X.

b) The kinetic energy is the lowest at X and Z.

c) Total energy remains constant as the ball moves from X to Y.

Hence, the correct answer is A.

7 0
3 years ago
Read 2 more answers
The diagram shows two charged objects, X and Y.
masya89 [10]

The missing diagram is in the attachments.

Answer: X: positive Y: positive

Explanation: Electric field is a vector quantity, which means it can be represented by a vector arrow: the arrow points in the direction of electric field and its length represents the magnitude at a given location. There are another representation of the electric field called electric field lines, <u>in which the line points away from a positively charged source and towards a negatively charged source</u>. This occurs because it follows a pattern, where the lines points in the direction that a positive test charge would have if it is accelerating on the line.

Analyzing the diagram, it can be observed that the lines are pointing away from both of the charged objects. Therefore, both X and Y are <u>positively charged</u>.

4 0
3 years ago
Read 2 more answers
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