Question

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Answer 1

1 ..Uniform circular motion can be described as the motion of an object in a circle at a constant speed. As an object moves in a circle, it is constantly changing its direction. At all instances, the object is moving tangent to the circle.

2. proton

a). They are positively charged

b)They are present in the nucleus of all atoms

c)The mass of the proton is taken as one unit and equals the mass of a neutron

d)A proton is represented as “p”

2.)neutron

a)They are neutral

b).They are present in the nucleus of all atoms except hydrogen

c).The mass of the neutron is considered as one unit and it equals the mass of a proton

d).A neutron is represented as “n”

electron

a)They are negatively charged

b)They are present in the outer shells within an atom and orbit the positively charged nucleus in well-defined orbits

c).The mass of an electron is about 1/2000 times the mass of a hydrogen atom

d).An electron is represented as “e”

3.There are mainly three equations of motion which describe the relationship between velocity, time, acceleration and displacement.

There are mainly three equations of motion which describe the relationship between velocity, time, acceleration and displacement.First, consider a body moving in a straight line with uniform acceleration. Then, let the initial velocity be u, acceleration be a, time period be t, velocity be v, and the distance travelled be S.

The first equation of motion is:

The first equation of motion is:v = u + at

It is known that the acceleration (a) of the body is defined as the rate of change of velocity.

It is known that the acceleration (a) of the body is defined as the rate of change of velocity.So, the acceleration can be written as:

It is known that the acceleration (a) of the body is defined as the rate of change of velocity.So, the acceleration can be written as:a = v − ut

It is known that the acceleration (a) of the body is defined as the rate of change of velocity.So, the acceleration can be written as:a = v − utFrom this, rearranging the terms, the first equation of motion is obtained, which is:

It is known that the acceleration (a) of the body is defined as the rate of change of velocity.So, the acceleration can be written as:a = v − utFrom this, rearranging the terms, the first equation of motion is obtained, which is:v = u + at

It is known that the acceleration (a) of the body is defined as the rate of change of velocity.So, the acceleration can be written as:a = v − utFrom this, rearranging the terms, the first equation of motion is obtained, which is:v = u + at