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What can the nucleus emit during radioactive decay?

There are three possible emissions from a nucleus decaying radioactively. The first is the emission of an alpha particle. Alpha particles consist of neutrons and protons. Secondly a beta particle can be r...

Answered by Samuel K. Physics tutor
8093 Views

Outline the structure of the alpha and beta particle and give their overall charge and a material which it cannot pass through.

Alpha - it is composed of 2 protons and 2 neutrons. It has an identical structure to a helium nucleus (an atom with no orbiting electrons). It has an over charge of +2. It cannot pass though a sheet of ...

Answered by Liam M. Physics tutor
5632 Views

Which unit is equivalent to J kg^-1? a) m s^-1 b) m s^-2 c) m^2 s^-1 d) m^2 s^-2

When working out unit equivalences the most straightforward approach is to use formulas (often in the data booklet) to help reach a correct answer. We start by looking at Joules; knowing a Joule is a unit...

Answered by Samuel K. Physics tutor
24796 Views

What are the differences between microwaves and radio waves? How does this effect what we use them for?

Microwaves and radio waves are both used for communication purposes. Microwaves have a higher frequency, and therefore a smaller wavelength. Because of this, microwaves can travel through the Earth's atmo...

Answered by Madeleine R. Physics tutor
13563 Views

A tennis ball is hit over a net with a speed of 45ms^-1 and has a mass of 30g. Calculate the kinetic energy of tennis ball.

K=0.5mv^2 K=0.50.03*(45^2) K=30.4J

Answered by Liam M. Physics tutor
2885 Views

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