Mechanics: Projectiles - A-Level Maths

[@jenmorris8928]

At 15:25 do you put x in instead of t as I am confused why the t is still there x

[@kaiandchanellesimmons502]

Keep going with this plz. This is so helpful

[@NamulindwaMastula]

How do I work out a number if am not given both the initial velocity and time

[@melli3716]

you probably need to work one of them out another way

[@kylekotecha1915]

Cos 45 is not a half? So it would be root2 u^2

[@ryanraveendran4730]

cos(45)^2 = 0.5