ap1.2.1 position and velocity vectors

[@waffleface5940]

You are a literal angel. Thank you.

[@bish947]

you deserve so much better mam than our current education system.

[@senamilefanele6525]

wow you are so amazing ... you really helped me understand this may lord bless you

[@pinklady7184]

Great tutorial and thank you.

[@tmharabro8977]

It was really helpful mam 😊 Thanks ❤️

[@ehmaidan]

This was extreeeemly helpful.
Thank you very much :)

[@nmslmatachuan]

nice

[@ylabarbera]

Thank you

[@beyzakurtogluu]

You are great,thank you so much.

[@ylabarbera]

Thank you.