4. A projectile is launched vertically upwards, with a initial speed of 49 m/s, from the top of a tower 150 m high height.

a) How long will it take before the projectile does not reach its maximum height?

b) What is this maximum height?

c) How long will it take before the projectile does not exceed its initial position, during its fall downwards?

d) What is its speed when it takes place?

e) How long will it take before the projectile hit the ground? f) What will be its speed at the moment of impact?

Please Detail and write every step on paper