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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 rele...
SK
Answered by Samuel K. • Physics tutor
9191 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 paper...
LM
Answered by Liam M. • Physics tutor
6634 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 atmosph...
MR
Answered by Madeleine R. • Physics tutor
23717 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=0.5 mv^2 K=0.5 0.03*(45^2) K=30.4J
LM
Answered by Liam M. • Physics tutor
4079 Views

How do I factorise and solve 2x^2+4x-6=0?

The 2 in front of the x^2 can cause confusion. In this case, the equation can be divided through by 2, to produce x^2+2x-3=0. From here it can be factorised by working out what adds to make '2' and times to ...
MR
Answered by Madeleine R. • Maths tutor
11471 Views