Respuestas

2011-12-06T16:24:02+01:00

m = 15 kg

h = 215 cm = 2,15 m

g = 10 m/s2

szukane:

Ep = ?

 

Ep = mgh = 15kg x 10m/s2 x 2,15m = 322,5 kg*m2/s2

Ep = 322,5 J