Please help :)

Describe the structure of an alpha particle

Alpha particles are composite particles consisting of two protons and two neutrons tightly bound together. An alpha particle is identical to the nucleus of a normal atomic mass four helium atom.

Explanation:

the answer is to check all of them! they all apply well at least i think so!

dec 23, 2016 - a load of bricks weighing 680 n a distance of 10 m across a parking lot. if if the worker pushes the cart with a constant force of 209 n, what work= force x distance = 220 n x 10 m = 2200 n.m = 2200 j i don't know where the person got it from, but the initial part, work= force x distance me.