Question

An object is thrown upwards with a velocity of 15 m/s. How long will the ball take to reach it’s starting point ?

Answer 1

about 2s or 3s,

Step-by-step explanation:

15 m/s - 9.8 m/s = 5.2 m/s (1 sec)

5.2 m/s - 9.8 m/s = -4.6 m/s (2 sec)