A projectile of mass 20 g is fired into the air at a speed of 450 m/s and anelevation of 65 degrees measured from the horizontal. Air resistance may beignored.i.) What is the kinetic energy (in kJ) of the projectile?[25%]ii.) What height (in m) above the ground will the projectile reach?[25%]iii.) What horizontal distance (in km) will it travel before it hits the ground?[25%]iv.) What will be its speed (in m/s) as it hits the ground?[25%]

A projectile of mass 20 g is fired into the air at a speed of 450 m/s and an
elevation of 65 degrees measured from the horizontal. Air resistance may be
ignored.
i.) What is the kinetic energy (in kJ) of the projectile?
[25%]
ii.) What height (in m) above the ground will the projectile reach?
[25%]
iii.) What horizontal distance (in km) will it travel before it hits the ground?
[25%]
iv.) What will be its speed (in m/s) as it hits the ground?
[25%]