3 years ago

A wave is a _____ that transmits energy

Physics

2 answers:

torisob [31]3 years ago

8 0

Answer:

Disturbance

Explanation:

galben [10]3 years ago

3 0

Answer is disturbance

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Without effective assessment methods, teachers have no documented proof of childrens specific ____ and _____.

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3 years ago

3. What is the gravitational force between a 70 kg physics student and her 1 kg textbook, at a distance of 1 meter? (This number

Rina8888 [55]

ANSWER

$\begin{equation*} 4.67*10^{-9}\text{ }N \end{equation*}$

EXPLANATION

Parameters given:

Mass of the student, M = 70 kg

Mass of the textbook, m = 1 kg

Distance, r = 1 m

To find the gravitational force acting between the student and the textbook, apply the formula for gravitational force:

$F=\frac{GMm}{r^2}$

where G = gravitational constant

Therefore, the gravitational force acting between the student and the textbook is:

$\begin{gathered} F=\frac{6.67430*10^{-11}*70*1}{1^2} \\ \\ F=4.67*10^{-9}\text{ }N \end{gathered}$

That is the answer.

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1 year ago

Two particles with charges are initially very far apart (effectively an infinite distance apart). They are then fixed at positio

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Answer:

potential energy increases.

Explanation:

The potential energy between the two charged particles is given by

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If they are very far apart then r tends to infinity and the potential energy is zero.

If they come closer then the potential energy between the two charged particles increases.

Thus, the potential energy increases.

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3 years ago

Pls do question 1 part d). tysm

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Answer:

Explanation:

cuz its informing the length of 5 and weight on 20N

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