A child slides down a slide on the playground and her hair starts to stand on end. What happened?

Answers

Answer 1

Answer: It's static electricity from sliding down. Whenever a person goes fast on something, (say a roller coaster/slide/etc...) their hair gets filled with static electricity. Have a good day! :3

Answer 2

Answer: possibly static electricity, I'm not so sure you should rely on my answer, but it's a guess.

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A marble statue has a mass of 6,200 grams and a volume of 2,296 cm3. What is the density of marble?
Juanita, en medio de la cuarentena tuvo que salir de su casa por algunos artículos que necesitaba; utilizó su tapabocas y guantes, salió corriendo con velocidad de 3m/s a comprar, 3 kilogramos de arroz, dos litros de leche y 5 tapabocas. Para completar el total de las cosas, primero debe ir al supermercado que esta ubicado a 50 metros, en dirección 30 grados con respecto a la horizontal partiendo desde su casa, y de allí, salir para la droguería que se encuentra ubicada a 70 metros, dirección 150 grados desde el supermercado geográficamente con respecto a la horizontal. 1. Clasifique las cantidades escalares y las cantidades vectoriales del problema

The unit for measuring electric power is the A. volt.
B. ampere.
C. watt.
D. ohm.

Answers

Final answer:

The unit for measuring electric power is watt. This is the rate at which electrical energy is transferred. Other units like volts, amperes, and ohms are used to measure electrical potential difference, current, and resistance respectively.

Explanation:

The unit for measuring electric power is the watt (C). Electric power is the rate at which electrical energy is transferred by an electric circuit. Volts (A) are the units used to measure electrical potential difference, amperes (B) measure electrical current, and ohms (D) are used to measure electrical resistance. Therefore, if you are looking to measure electric power, your correct unit will be the watt. An example would be that a light bulb might use 60 watts of power.

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Final answer:

The unit for measuring electric power is the watts. It's calculated as one joule per second and, electrically, it's the product of voltage and current. Other units such as volt, ampere, and ohm measure electric potential difference, current, and resistance respectively.

Explanation:

The unit for measuring electric power is the watts. The watt is a unit of power that is defined as one joule per second. In terms of electrical power, it is calculated by multiplying the voltage (measured in volts) by the current (measured in amperes). Other units such as volt and ampere are related to electrical phenomena but they do not measure power. The volt measures electric potential difference or electric pressure whereas the ampere measures electric current. The ohm on the other hand is a measure of electrical resistance.

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-g A small block is attached to an ideal spring and is moving in SHM on a horizontal frictionless surface. The amplitude of the motion is 0.165 m. The maximum speed of the block is 3.90 m/s. What is the maximum magnitude of the acceleration of the block?

Answers

Answer:

a= 92. 13 m/s²

Explanation:

Given that

Amplitude ,A= 0.165 m

The maximum speed ,V(max) = 3.9 m/s

We know that maximum velocity in the SHM given as

V(max) = ω A

ω=Angular speed

A=Amplitude

$\omega =(3.9)/(0.165)\ rad/s$

ω=23.63 rad/s

The maximum acceleration given as

a = ω² A

a= (23.63)² x 0.165 m/s²

a= 92. 13 m/s²

Therefore the maximum magnitude of the acceleration will be 92. 13 m/s².

Our solar system formed from a huge cloud of dust and gas called a _____.a. disk
b. protostar
c. solar nebula
d. planetesimal

Answers

The correct answer is C. Solar nebula

Explanation:

According to scientists, the Solar nebula was rotating disk or cloud of dust and gas (mainly hydrogen and helio) that is believed was the origin of our solar system. Indeed, it is estimated the formation of our solar system began 4.6 billion years ago as the solar nebula began contracting forming first the sun in the center and then other elements such as planets. This theory was first proposed in 1734 by Emanuel Swedenborg; however, from the first proposal, multiple models have emerged related to this theory and nowadays, the solar nebula theory is the one that scientist believe explain the formation of our solar system and other solar systems. Thus, our solar system formed from a huge cloud of dust and gas called a solar nebula.

Our solar system formed from a huge cloud of dust and gas called a
c. solar nebula

Based on the nebular hypothesis, our solar system formed from hydrogen gas and interstellar dust. The gas and the dust contracted and formed the early stage of the sun.

Which of the following distances is the longest?a. 0.006 kilometersb. 0.3 decimeters

c. 820 meters

d. 20,000 millimeters

Answers

820 meters is the longest

How are the three cell layers of an embryo related to its development?

Answers

The said development of the cell where the three cell layers help out do it is called as Gastrulation. The three layers - called as ectoderm, endoderm, and mesoderm - tend to form as this happens. This is a process that's present in all living things except sponges.

A nerve impulse travel along a myelinated neuron at 75.9 m/s