What is the definition of a neutron?

Physics

2 answers:

LuckyWell [14K]3 years ago

6 0

Answer:

According to Oxford dictionary neutron is a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.

Fudgin [204]3 years ago

3 0

Answer:

neutron is a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.

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Compare and contrast instantaneous and average speed.

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Answer:

instantaneous velocity is a velocity covered at an instant while average velocity is the change in distance/ the change in time taken

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2 years ago

In an experiment what are all the parts of an experiment that remain unchanged are called<br>

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Example: A wooden crate with mass 100kg is at rest on a stone floor. You know that the coefficients of kinetic and static fricti

alexgriva [62]

Answer

Any force greater 490N

Explanation

The force required just to make an object slide over a rough horizontal surface is any force greater that the static friction which given by;

$F=\mu_s mg.............(1)$

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$\mu_s=0.5\\m=100kg\\g=9.8m/s^2$

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We will only need the coefficient of kinetic friction if we were asked to find the force required to keep the object moving uniformly. Usually, the force needed to keep an object moving uniformly over a rough surface is lesser that which is needed to start its motion.

In this problem, we were only asked to find the minimum force required to make the object move which we have done.

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3 years ago

Calculate the difference in blood pressure between the feet and top of the head for a person who is 1.70 m tall.

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