Vertically 3237

The body weighing 100g is ejected from the surface of the Earth vertically upwards at an initial speed of 30m. s-1. Determine the height at which the body rises and its potential energy at the highest point of the path.

Correct answer:

h =  45.8716 m

Step-by-step explanation:

v=30 m=100/1000=101=0.1 g=9.81 vgt=0 t=v/g=30/9.81=32710003.0581 h=v tg t2/2=30 3.05819.81 3.05812/2=45.8716 m

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