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3 years ago

What is a greater force 10 Newtons or 5lbs?

Physics

2 answers:

Alexxandr [17]3 years ago

7 0

5lbs is greater.
Hope that helps!

densk [106]3 years ago

4 0

1 pound = about 4.45 newtons
so
5 pounds = a little more than 22 newtons.

That would be more than 10 newtons.

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If the resultant of two velocity vectors of equal magnitude is also of the same magnitude, then which statement must be correct?

Tamiku [17]

The correct option is C) The angle between the vectors is 120°.

Why?

We can solve the problem and find the correct option using the Law of Cosine.

Let A and B, the given two sides and R the resultant (sum),

Then,

$R=A=B$

So, using the law of cosines, we have:

$R^{2}=A^{2}+B^{2}+2ABCos(\alpha)\\ \\A^{2}=A^{2}+A^{2}+2*A*A*Cos(\alpha)\\\\0=A^{2}+2*A^{2}*Cos(\alpha)\\\\Cos(\alpha)=-\frac{A^{2}}{2*A^{2}}=-\frac{1}{2}\\\\\alpha =Cos(-\frac{1}{2})^{-1}=120\°$

Hence, we have that the angle between the vectors is 120°. The correct option is C) The angle between the vectors is 120°

Have a nice day!

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3 years ago

How does sound travel through a medium PLZ HURRY WILL GIVE BRAINLY

ZanzabumX [31]

sound travels through a medium in mechanical waves a mechanical wave is a disturbance that moves and transports energy from one place to another through a medium

5 0

3 years ago

Read 2 more answers

The Big Bang theory states that _____.

ohaa [14]

Answer:

the universe is expanding and will continue to expand

Explanation:

The Big Bang Theory is a theory that the universe started as an an infinitely hot and dense single point that inflated and stretched out.

8 0

3 years ago

a dog runs after the car, the car is travelling at an average speed of 5 m/s, the dog runs 20 m in 5s. does she catch the car

ratelena [41]

Explanation:

Average speed of car = 5m/s

Distance run by dog = 20m

Time taken = 5s

problem;

does the dog catches the car = ?

Solution;

let us determine speed of the dog;

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The average speed of the car is 5m/s

Average speed of the dog is 4m/s

The dog is slower than the car and it will not catch the car at this rate.

learn more:

Average speed brainly.com/question/5063905

#learnwithBrainly

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3 years ago

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KATRIN_1 [288]

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3 years ago