Could someone me with this diagram? its the one to the right

a and b show  centripetal (inward seeking) force and accel.

The tangent arrows are for C.

Whirling something round on a string ... when let go, it flies off at a tangent ...

atomic = no of protons.

mass number-atomic number = neutron number

the earths atmosphere is made up of nitrogen and oxygen. solids can turn into gasses through a process called sublimation. sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

hope this : d