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Lelu [443]
3 years ago
5

What is an ellipse? ​

Physics
2 answers:
Rzqust [24]3 years ago
6 0

Answer:An ellipse is a closed curve consisting of points whose distances from each of two fixed points (foci) all add up to the same value .

Explanation:

storchak [24]3 years ago
3 0

Answer:

A closed curve consisting of points whose

distances from each of two fixed points (foci) all add up to the same value is an ellipse. The midpoint between the foci is the center. One property of an ellipse is that the reflection off its boundary of a line from one focus will pass through the other.

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Express each of the following in ms -1 <br>a) 18kmh-1<br>​
vovangra [49]
1km=1000m; 1hr=3600secs
1km/hr=1000/3600= 5/18m/sec
To convert km/hr into m/sec, multiply the number by 5 and then divide it by 18.

18kmh-1= 18•5=90
90/18=5
5ms-1
3 0
3 years ago
(quick help please??)A mechanic uses a mechanical lift to raise a car. The car weighs 10,200 N. The work required to do this was
GuDViN [60]
I believe It would be 2.2m
5 0
3 years ago
A 0.30-kg object is traveling to the right (in the positive direction) with a speed of 3.0 m/s. After a 0.20 s collision, the ob
andre [41]

Answer:

I = -2.1 kg.m/s

Explanation:

Given,

mass of the object,m = 0.30 Kg

initial speed, v_i = 3 m/s

time of collision = 0.20 s

final speed, v_f = -4 m/s

Impulse = change in momentum

I = m (v_f-v_i)

I = 0.30\times (-4-3)

I = -2.1 kg.m/s

Hence, impulse of the object is equal to I = -2.1 kg.m/s

5 0
3 years ago
An electromagnetic wave moves through electric and magnetic fields. How might the movement of the wave be described?
Elenna [48]

A. The vibrations of the fields are perpendicular to the direction in which the wave moves.

7 0
3 years ago
This city is the capital of the state of Georgia since 1868 and was burned during the Civil War.
Sphinxa [80]

The correct answer is - Atlanta.

Georgia is a state that has had multiple capitals since the arrival of the first European settlers, changing them very often in accordance to the circumstances. The last one in the row has been Atlanta. This city got the privilege to be the capital of Georgia in 1868 after the Atlanta council applied for it. The US government took everything in perspective, from infrastructure, population, location, and very importantly politics. The political aspect seems to be the case where Atlanta won the case to become capital, as the capital until than, Milledgeville, was still a city where the black population was not welcomed and the racism was still on a very high level.

3 0
3 years ago
Read 2 more answers
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