A 1.7-m gunman fired a bullet directly above his head at a speed of 90 m/s. What is the maximum height the bullet can reach before it hits the ground?

(9th Grade Science)
Serious Answers Please​

Amplify and switch electrical power and electronic signals

Aform of energy that is reflected or emitted from objects in the form of electrical and magnetic waves that can travel through space. there are many forms of  electromagnetic  energy including gamma rays, x rays, ultraviolet radiation, visible light, infrared radiation, microwaves and radio waves.