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3 years ago

A scientific theory provides an explanation of observed

Physics

1 answer:

maksim [4K]3 years ago

6 0

Newton’s law of motion

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How does the current model of the atom differ from<br> j j thomas model

bixtya [17]

Jj thomas' model contained electrons.

The current model contains a nucleus with electrons orbiting around it. :)

4 0

3 years ago

Easy defimation of newtons second law of motion

shtirl [24]

Hi pupil here's your answer ::

_______________________________

Newton's Second Law of motion states that the rate of change of momentum of an object is proportional to the applied unbalanced force in the direction of the force.
ie., F=ma

Where F is the force applied, m is the mass of the body, and a, the acceleration produced.

Or in simplest language it is the force applied to a particular object of particular mass multiplied by the acceleration caused by force .

______________________________

hope that it helps. . . . . .

8 0

3 years ago

Tommy runs around a track whose circumference is 400 meters. He runs a single lap in a time of 62 seconds. What is Tommy’s displ

bija089 [108]

Answer:

<h2>Angular Displacement 6.28 radians</h2>

Explanation:

for circular motion we are expected to solve for Angular Displacement it is measured in radian

Measurement of Angular Displacement.

we can measure it using the following relation

∅= s/r

where

s = the distance travelled by the body, and

r = radius of the circle along which it is moving.

given that

circumference c, s= 400 m

r= ?

we have to solve for the radius

we know that circumference

$c= 2\pi r$

400= 2*3.142*r

400= 6.282*r

divide both sides by 6.284 we have

400/6.284

r= 63.63 m

Angular displcament

∅= 400/63.63

∅= 6.28 radians

8 0

3 years ago

Motivation is best described as the _____. ability to be successful with your exercise way you see your exercise desire to conti

Olin [163]

Answer:

The desire to continue with your exercise would be the correct answer! :D

6 0

3 years ago

Read 2 more answers

A drop of oil of volume 10m it spread out on water to make a circular firm of radius 10m calculate the tickness of the firm

Effectus [21]

Answer:

h = 3.1 cm

Explanation:

Given that,

The volume of a oil drop, V = 10 m

Radius, r = 10 m

We need to find the thickness of the film. The film is in the form of a cylinder whose volume is as follows :

$V=\pi r^2 h\\\\h=\dfrac{V}{\pi r^2}\\\\h=\dfrac{10}{\pi \times 10^2}\\\\h=0.031\ m\\\\h=3.1\ cm$

So, the thickness of the film is equal to 3.1 cm.

8 0

3 years ago