Nonuniform positive acceleration

Answers

Answer 1

Answer:
It means that acceleration changes with time.

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This scientist focused his study on planetary motion. One of his laws is the planets orbit the Sun in elliptical patterns.Hubble
Kepler
Newton
Copernicus

Answers

You may be familiar with something denoted as Kepler's Laws of Planetary Motion. Though Copernicus argued that the Earth revolved around the sun, against widely accepted knowledge at the time, I believe you are looking for Kepler.

B.) Kepler is the answer, it's correct

What are the problems with monoculture farming?

Answers

One pest or disease can wipe out the whole crop population. Leading to lower yields.

If you have a vector which is 12 Newtons at 75 degrees south of west, what other vector is equivalent to this vector? a) 12 N at 15 degrees west of south b) 12 N at 15 degrees south of east c) 12 N at 15 degrees north of east d) 12 N at 15 degrees south of west

Answers

To find the vector that is equivalent to a vector of 12 Newtons at 75 degrees south of west, we need to determine the direction and magnitude of the equivalent vector.

The equivalent vector will have the same magnitude of 12 Newtons but a direction that is 180 degrees opposite to the given vector.

The given vector is 75 degrees south of west, which means it is pointing towards the south but slightly to the west.

Therefore, the direction of the equivalent vector will be 75 degrees north of east (opposite direction).

Among the given options:

a) 12 N at 15 degrees west of south - This is not the correct direction.

b) 12 N at 15 degrees south of east - This is not the correct direction.

c) 12 N at 15 degrees north of east - This is the correct direction.

d) 12 N at 15 degrees south of west - This is not the correct direction.

Therefore, the vector that is equivalent to the given vector is option c) 12 N at 15 degrees north of east.

_____ is the combination of two nuclei to produce a nucleus of heavier mass.a. fission
b. nuclear radiation
c. radioactivity
d. fusion

Answers

The answer to the given above is letter D. fusion. This is an essential process in the radioactivity where two nuclei combine to produce a heavier one. The combination release a nuclear energy. Its opposite process is a nuclear fission.

Answer: your answer is Fusion

If the standard kilogram bar kept in Paris were subjected to a net force of 1 newton, what acceleration would it have as a result?

Answers

Answer:

It would have an acceleration of $1(m)/(s^(2))$

Explanation:

Let's start defining the newton unit (Newton : N)

The N definition is

$N=Kg.((m)/(s^(2)))$

Where Kg is kilogram and $(m)/(s^(2))$ is an acceleration unit.

We can think the definition of newton as :

Given an object with a mass of 1 Kg subjected to a force of 1 N the acceleration that it experiments is $1(m)/(s^(2))$

As a result, the standard kilogram bar kept in Paris will experiment an acceleration of $1(m)/(s^(2))$ If we subject it to a net force of 1 N.

1 m/s^2
Because of
F=ma

Which nucleus would be least likely to undergo radioactive decay?

Answers

A large nucleus. This is because the nuclear forces are not as strong as the repulsive electrical forces between nucleons. The said nuclear force is more or less the surface tension force. In a large nucleus, it is not as strong as the repulsing forces in a smaller nucleus.

Answer:

Stable nuclei will not undergo in nuclear decay reactions. Stability of nucleus depends upon the force between nucleons.

If there is strong attraction force between the nucleons then the repulsion force between the protons will be neglected over this strong force and the nuclei is stable.

Also we can check the stability of nucleus by the ratio of neutrons and protons in the nucleus.

here the stability of nucleus is more it the ratio lie between 1 and 1.2 i.e.

$1 < (N)/(P) <1.2$

so the neutron to proton ratio will decide the stability of nucleus.

So it the ratio lie for above range of neutrons and protons then it is least likely to go radioactive decay.

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