oblicz masę człowieka biegnącego z predkoscia 15 km/h jezeli jego pęd wynosił 275kg*m/s
p=m*v /vm=p/v15km/h=ok. 4,16m/sm=275kg*m/s / 4,16m= ok. 66kg
v = 15km/h = 4,2 m/s m=?
p = 275kg*m/s
p = mv ==> m = p/v
m = 275kg*m/s: 4,2m/s
m = 65kg
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p=m*v /v
m=p/v
15km/h=ok. 4,16m/s
m=275kg*m/s / 4,16
m= ok. 66kg
v = 15km/h = 4,2 m/s m=?
p = 275kg*m/s
p = mv ==> m = p/v
m = 275kg*m/s: 4,2m/s
m = 65kg