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Reil [10]
3 years ago
10

In a catapult, energy is transferred into useful kinetic energy stores. What store is the energy in when it is the catapult?

Physics
1 answer:
yawa3891 [41]3 years ago
6 0

Answer:

actually I was just wondering what you are thinking

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A car has a momentum of -456 kg*m/s. What direction is it moving?
Solnce55 [7]

backward movement

because momentum = mass × speed

And mass must be in positive value..

so negative value is speed

which moving backward..

6 0
3 years ago
Do you agree or disagree that folk dance forms can be outside their original formmeaningful s
My name is Ann [436]

I disagree that folk dance forms can be outside their original meaningful form in this scenario.

<h3>What is Folk dance?</h3>

This is the type of dance which is unique to a particular set of people and helps celebrate their culture.

This dance is a ritualistic entertainment which is done in different type of gatherings such as ceremonies etc which is why it isn't outside their original meaningful form.

Read more about Folk dance here brainly.com/question/18269425

7 0
2 years ago
Many students use earbuds or headphones while working on a computer or listening to music. Electromagnetics are within the liste
Katyanochek1 [597]

Answer:

When the electrical current passes through the conductors, the polarity is changed, and the diaphragm interacts with the permanent magnets, vibrating and creating sound.

Explanation:

8 0
3 years ago
g A thin uniform film of oil that can be varied in thickness covers a sheet of glass of refractive index 1.52. The refractive in
Makovka662 [10]

Answer:

The right solution is "84.09 nm".

Explanation:

The given values are:

Refractive index of glass,

= 1.52

Refractive index of oil (n),

= 1.64

Wavelength (λ),

= 555 nm

Now,

The thickness of the film (t) will be:

= \frac{\lambda}{4n}

= \frac{555}{4\times 1.65}

= \frac{555}{6.6}

= 84.09 \ nm

6 0
3 years ago
A force of 20 N acts toward the east. Another force of 27 N acts at the same point toward the west. What is the magnitude and di
Jet001 [13]
Since we are working in one dimension (left right or East West), we don't need to worry about angles! It's just simply a matter of adding things up!

First list out all the forces and add negative (-ive) signs to each of the 'west' forces like this.

20 East + (-27 West) + ? = 10 East

so it's easy to see that 20 + (-27) = -7
So to get to 10 from -7 just do the sum to get 17.
Since 17 is not negative it must be in the direction of East.
So the answer is:
Magnitude = 17 N
Direction = toward the East

8 0
3 years ago
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