Recent content by mathsman

Many thanks to you both. I think I may have done a similar question many years ago and remember using the standard v2=u2+2as equation but couldn't remember why it worked ! Obviously adding the square of the horizontal component to both sides makes it clear why it does in fact work. The mark...

Attempting a projectile motion question where initial and final speed is given but angle of elevation isn't. Need to find an equation for the vertical distance H travelled. I got the right answer using v^2 = u^2 + 2as substituting s=H and a=-9.8. However the mark scheme states that this...