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3 years ago

why should it take significantly more energy to move a beam of alpha particles than a beam of beta minus particles

1 answer:

8 0

An 'alpha particle' is the same thing as the nucleus of a helium atom ...
a little bundle made of 2 protons and 2 neutrons.

A 'beta' particle is an electron.

The mass of an alpha particle is more than <em>7,000 times</em> the mass of
an electron, so it certainly takes more energy to get it moving.

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What new characteristic did John Dalton add to the model of the atom? An atom is a round, solid mass. An atom has a massive, pos

forsale [732]

Answer:

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2 years ago

Read 2 more answers

A small flashlight bulb provides a resistance of 3 Ω to the 300 mA current that runs through it. Determine the voltage of the ba

Contact [7]

V=IR

V= 0.3 x 3

V= 0.9V

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3 years ago

Which of the following describes how the current in a circuit can be increased? Select all that apply.

Anettt [7]

Answer:

B. and D. would be my best guess.

Explanation:

The reason why is because if you lower the resistance, the voltage will be higher, and if you higher the voltage, the resistance would be lower and the voltage would higher.

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3 years ago

what is the name of the tool that allows you to copy two or more shapes into a single part? when working with 3D

Anna [14]

Answer:

Modeling tool or Align tool. it depends what type of sandbox platform you use

Explanation:

8 0

2 years ago

two workers are sliding 260 kg crate across the floor. one worker pushes forward on the crate with a force of 450 n while the ot

balu736 [363]

To find out the kinetic friction, using the coefficient friction formula.

What is kinetic friction?

A force that acts between moving surfaces is called "kinetic friction." A force acting in opposition to the direction of a moving body on the surface is felt. The two materials' kinetic friction coefficients will determine how much force is applied.

What is coefficient friction?

A measure of the degree of friction between two surfaces is the coefficient of friction. A coefficient of friction is determined by calculating the resistance to motion at the intersection of two surfaces made of the same or different materials.

U-coefficient of friction

K-Kinetic friction

Using UK

450+370-f=m*o

f=820=UK*260*9.8

UK=2.548

820/2.548

UK= 321.8210361

Therefore the coefficient of kinetic friction is 321.8210361

Learn more about Kinetic friction from the given link.

brainly.com/question/14111192

#SPJ4

6 0

10 months ago