mahlanguhlengiwe043 mahlanguhlengiwe043 15-05-2023 Mathematics contestada 1.2 A projectile is fired upwards so that its height (h) in metres after a certain time (t) i n seconds is given by the formula h=20t - 4t² Find the time taken by the projectile to 'come down' to a height of 24m. (5) [12]
