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ratelena [41]
3 years ago
14

When we say charge is conserved, we mean that charge can _______. View Available Hint(s) When we say charge is conserved, we mea

n that charge can _______. be saved, like money in a bank take equivalent forms only be transferred from one place to another be created or destroyed, as in nuclear reactions
Physics
1 answer:
asambeis [7]3 years ago
6 0

Answer:

neither be created nor destroyed

Explanation:

When we say charge is conserved, we mean that charge can neither be created nor be destroyed similar to energy concept.

When any physical quantity is conserved it always means that its quantity was, is and will remain the same throughout the eternity. It can neither be created nor be destroyed but it can change from one form to another.

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You place a book on top of a spring and push down, compressing the spring by 10 cm. When you let go of the book, it is pushed up
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At First, there is chemical Energy( in your muscels) which is Used to Push down the spring. This Energy becomes the Energy of the spring, which increases until you stop pushing. If you Put your hand away, the Energy of the spring will become kinetic energ. This Energy is at the highest Level the Moment the book ist Leaving the spring. Afterwards, the kinetic Energy decreases while the Gravitational Potential Energy increases.
4 0
3 years ago
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The mass of an object is 4kg and it has a density of 5gcm^-3. what is the volume ​
Andru [333]

Answer:

density =   mass/ volume

5=4000/ volume

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3 years ago
What is the wavelength of an earthquake that shakes you with a frequency of 10.0 Hz and gets to another city 84.0 km away in 12.
Harrizon [31]

Answer:

700 m.

Explanation:

Wavelength: This can be defined as the distance in meter required by a wave to complete one oscillation. The S.I unit of of wavelength is meter (m).

the expression connecting velocity, frequency and wavelength is given as,

v = λf......................... Equation 1

Where v = velocity of the earthquake, λ = wavelength of the earthquake, f = frequency of the earthquake.

make  λ the subject of the equation

λ = v/f ................. Equation 2

recall,

v = distance/time

v = d/t ................. Equation 2

Where d = distance, t -= time.

Given: d = 84 km = 84000 m, t = 12 s.

Substitute into equation 2

v = 84000/12

v = 7000 m/s.

Also given: f = 10 Hz.

Substitute into equation 2

λ = 7000/10

λ = 700 m.

Hence the wavelength of the earthquake = 700 m.

5 0
3 years ago
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What is the automated system that uses an automated work cell controlled by electronic signals from a common centralized compute
Alexxandr [17]

Answer:

The automated system that uses an automated work cell controlled by electronic signals from a common centralized computer facility is "Robotics"

Explanation:

Robotics is an advanced technology fully automated which uses electronic sensors incorporated with the combination of control into mechanical systems greatly enhancing the performance and flexibility of the systems. This is possible with the advances in hardware, software, and control programming systems which amounts to extensive automation from a common centralized computer facility.

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3 years ago
A man exerts more pressure while standing on one foot than by two foot​
Setler [38]
Yes? Ok? That’s right??
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3 years ago
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