1. Open the following link:https://phet.colorado.edu/sims/html/projectile-motion/latest/projectile-

motion_en.html

1. From the home page of this link, click on lab, from the lab window use theprovided controllerstoadjusttheheight(y) and the velocityofthelunchedball,the mass, the object's shape.
2. Adjustthefirstheightat15mandthevelocitymustbe atzero.
3. Releasetheballandusethetime meter(controlthe time meterandfixitatthe final point of the ball) to measure the time needed for the ball to travel16minthe vertical direction.
4. Changetheheight (y)to 14m,releasetheballand measurethetimeneededtotravel15m in theverticaldirection.

• Whatistherelationbetweentandyfromthet-ygraph?
• Doesthetimeofflightdependontheinitialspeed(v)?
• Describethehorizontalcomponentofthevelocity(V_x)duringitsmotion,inone word.