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Lana71 [14]
2 years ago
15

Question 1:

Physics
1 answer:
german2 years ago
7 0

Answer:

well I done really know ask the others person

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What is the tensile strength of hair ?
Olegator [25]
Human hair

Yield strength (MPa)
140-160

Ultimate tensile strength (MPa)
200-250

Hope that helps.
6 0
2 years ago
Read 2 more answers
How can we balance the use of fossil fuels with other forms of energy?
KiRa [710]
We can use renewable sources
4 0
3 years ago
Rahul wants to change the motion map shown so that it shows uniform circular motion. What change should Rahul make?
saw5 [17]

Answer:

B. He should change the lengths of the vectors that point tangent to the circle so that each is the same length.

Explanation:

A uniform circular motion is a motion in a circle where the tangential speed of the object is constant.

In the motion map:

- The arrows pointing towards the centre of the circle represent the centripetal acceleration, and their length represent the magnitude of the acceleration

- The arrows pointing tangential to the circle represent the tangential speed, and their length represent the magnitude of the speed

In this motion map, we see that the length of the vectors pointing tangent to the circle is not constant: this means that the speed is not constant. In order to have a uniform circular motion, the speed must be constant, therefore the lengths of the vectors that point tangent to the circle must be the same.

6 0
3 years ago
Read 2 more answers
Which statementsabout a neutral atom are correct? Check all that apply.
KIM [24]

Answer:

1, 2, 4, 5 are correct

Explanation:

1) This is true because In a neutral atom, the number of positive charges (protons) is equal to the number of negative charges (electrons).

2) This is true because the mass of the atom which is made up of the protons and neutrons, is located in the tiny nucleus.

3) This is not true because the positively charged particles in the nucleus are called protons.

4) This is true because electrons move around the nucleus in diffuse areas known as orbitals.

5) This is true because opposite charges attract each other. And electron is a negative charge.

6) This is not true because the radius of the electron cloud is normally 10,000 times larger than the radius of the nucleus.

5 0
2 years ago
What happens to the bulb when the battery changes from 1.5V to 9v?
timofeeve [1]

Answer:

it gets brighter because the volta increases

4 0
2 years ago
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