Zitohotsyme Zitohotsyme

26-11-2016
Physics

contestada

! If a volcano spews a 500 kg rock vertically upward a distance of 500 m, what was its velocity when it left the volcano?

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scme1702 scme1702

30-11-2016

The final velocity upon reaching its maximum height of 500 m will be 0 m/s.
Applying:
2as = v² - u², and taking the upward direction to be positive, the acceleration will be -9.81 m/s²

2 x 500 x -9.81 = -u²
u = 99.0 m/s

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