The body is thrown vertically upwards and falls to the ground after 3 seconds. with what initial speed is the body thrown?
| December 29, 2020 | education
The body is thrown vertically upwards and falls to the ground after 3 seconds. with what initial speed is the body thrown? What is the maximum height it has reached?
The time it takes to move up and down, i.e. the total travel time is proportional to the speed and acceleration of gravity.
t = 2V / g
V = t * g / 2 = 15m / s
Maximum height:
H = V ^ 2 / 2g = 225/20 = 11.25m
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