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2 years ago

What is meaning of charge?

Physics

2 answers:

Phoenix [80]2 years ago

7 0

Explanation:

A basic property of electrons, protons, and other subatomic particles that help them to experience a force when placed in an electric field.

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ludmilkaskok [199]2 years ago

3 0

Answer:

demand (an amount) as a price for a service rendered or goods supplied.

Explanation:

to enter or record as an obligation against a person or his account. to accuse or impute a fault to (a person, etc), as formally in a court of law. to command; place a burden upon or assign responsibility toI was charged to take the message to headquarters.

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If a neutral material like fur is rubbed on another neutral object like a rubber ball what is the resulting charges of the objec

alexdok [17]

Answer:

Explanation:

they both have a neutral charge so they couldn't be positive or negative since that wouldn't come from anywhere

8 0

2 years ago

Compare the time period of two simple pendulums of length 4m and 16m at a place.

Vlad1618 [11]

Answer:

the period of the 16 m pendulum is twice the period of the 4 m pendulum

Explanation:

Recall that the period (T) of a pendulum of length (L) is defined as:

$T=2\,\pi\,\sqrt{ \frac{L}{g} }$

where "g" is the local acceleration of gravity.

SInce both pendulums are at the same place, "g" is the same for both, and when we compare the two periods, we get:

$T_1=2\,\pi\,\sqrt{\frac{4}{g} } \\T_2=2\,\pi\,\sqrt{\frac{16}{g} } \\ \\\frac{T_2}{T_1} =\sqrt{\frac{16}{4} } =2$

therefore the period of the 16 m pendulum is twice the period of the 4 m pendulum.

5 0

2 years ago

Two samples of dirt are collected from a suspect's tread in his shoe and a crime scene. She notes very similar characteristics.

elena-14-01-66 [18.8K]

brainly.com/question/11542618?answering=true&answeringSource=greatJob%2FquestionPage

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3 years ago

Step 2: Apply NEwton's second law Apply ∑Fy = may , what should ay be equal to, since the block doesn't move in the y direction

andrey2020 [161]

Answer:

∑Fy = 0, because there is no movement, N = m*g*cos (omega)

Explanation:

We can solve this problem with the help of a free body diagram where we show the respective forces in each one of the axes, y & x. The free-body diagram and the equations are in the image attached.

If the product of mass by acceleration is zero, we must clear the normal force of the equation obtained. The acceleration is equal to zero because there is no movement on the Y-axis.

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2 years ago

What are the characteristics of a blackbody radiator? Give an example.

mihalych1998 [28]

Answer:

A blackbody, or Planckian radiator, is a cavity within a heated material from which heat cannot escape. No matter what the material, the walls of the cavity exhibit a characteristic spectral emission, which is a function of its temperature.

Example:

Emission from a blackbody is temperature dependent and at high temperature, a blackbody will emit a spectrum of photon energies that span the visible range, and therefore it will appear white. The Sun is an example of a high-temperature blackbody.

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2 years ago

What is meaning of charge?​

What is meaning of charge?