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2 years ago

How can an object's motion be described and predicted?

1 answer:

3 0

Predicted motion is that motion in which the motion of the body or object is been predicted that the motion will be like this.

<h3>How can an object's motion be described and predicted?</h3>

According to the Newton's second law of motion say's that the acceleration of an object is directly proportional to the net force applied to it and inversely proportional to its mass. We can use it for the prediction of the motion of an object. The net force is the vector quantity which is the sum of all the forces which are acting upon the object.

So we can conclude that: Predicted motion is that motion in which the motion of the body or object is been predicted that the motion will be like this.

Learn more about Object Motion here: brainly.com/question/7074120

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A glass plate whose index of refraction is 1.66 is immersed in a liquid. The surface of the glass is inclined at an angle of 44º

Anna35 [415]

Answer:

C. 1.15

Explanation:

The formula for the critical angle is:

${sin\theta_{critical}}=\frac {n_r}{n_i}$

Where,

${\theta_{critical}}$ is the critical angle

$n_r$ is the refractive index of the refractive medium. ( Alcohol , ? )

$n_i$ is the refractive index of the incident medium. ( Glass, 1.66 )

<u>Critical angle = 44º</u>

Applying in the formula as:

${sin\theta_{critical}}=\frac {1}{1.523}$

${sin\ 44^0}=\frac {n_r}{1.66}$

${n_r}=1.15$

5 0

3 years ago

The current produced in homes is ______ current.

Lelu [443]

If any current is PRODUCED in an individual home, like with
a windmill or solar panels, it is direct current (DC).

The current SUPPLIED to homes by the local utility company
is alternating current (AC).

8 0

3 years ago

Read 2 more answers

Which one please hurry . And please be right ..

Elis [28]

Answer:

IN MOTION

Explanation:

An apparent change in the frequency of waves, as of sound or light, occurring when the source and observer are in motion relative to each other, with the frequency increasing when the source and observer approach each other and decreasing when they move apart.

8 0

3 years ago

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A racing car has a uniform acceleration of 5 metre per second square what distance will it cover in 10 seconds after the start

spin [16.1K]

Hey!

Given ,

Acceleration, a = 5 m/s^2

time , t = 10 seconds

Initial velocity,u = 0

Final velocity , v = ?

We have ,

v = u + at

=> v = (0)+(5)(10)

=> v = 50 m/s

7 0

2 years ago

Read 2 more answers

Average amount of time wind machines operate

Rasek [7]

The wind machine on an average operates for a time of about $\boxed{3-4\text{ hours}}$ .

Explanation:

The wind energy is the method of using the energy carried by the wind to generate the power. The wind energy is the considered as the conventional and clean source of energy.

The wind machines require the high power winds to rotate the blades of the windmill and produce power using the energy of the moving wind.

The winds blow at such high speed for a very small time during the day, the wind machine cannot be expected to work for a longer time during the whole day.

The wind energy can be obtained form a wind mill for a limited time unlike the other form of energy like thermal energy or even the solar energy. The thermal energy can be obtained at anytime due to burning of fuel whereas the solar energy can at least be obtained during the whole day time.

Thus, the wind machine on an average operates for a time of about $\boxed{3-4\text{ hours}}$ .

Learn More:

1. Acceleration of the box under friction brainly.com/question/7031524

2. The kinetic energy of an object depends on the brainly.com/question/137098

3. The approximate time taken to walk for 2000 miles brainly.com/question/3785992

Answer Details:

Grade: Middle School

Subject: Physics

Chapter: Energy

Keywords:

wind energy, conventional source, energy, thermal, solar, 3-4 hours, high speed, machine, time, operate.

6 0

3 years ago