1. Suppose if you are throwing a ball horizontally from the top of the building with an initial speed of 20m/s, the ball touches the ground after covering a distance of 80m. Assume the
Vajue
me of the acceleration due to the gravity is 10m/s?​

h = 80 m???

Explanation:

Are you asking how tall the building is?

Time of flight is found looking at the horizontal distance and velocity.

t = d/v = 80/20 = 4 s

Freefall distance from rest in 4 seconds is

h = ½gt² = ½(10)4² = 80 m

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