abdumaliksayfiddinov abdumaliksayfiddinov

06-06-2022
Physics

contestada

The object was thrown vertically upwards at a speed of 30 m / s. How high does the body go?
and how long does it take to get back to the point of shooting?

Respuesta :

richmondondabu64 richmondondabu64

06-06-2022

Answer:

4.9

Explanation:

Velocity half second before maximum height = Velocity half second after maximum height (Return journey)

For downward journey :

Initial velocity u=0 m/s

We have g=9.8 m/s

Time t= ½s

s

Thus velocity after half second v=u+gt

v=0+9.8× ½ =4.9m/s

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