ΠΡΠ΅Π΄ΡΠ΄ΡΡΠ°Ρ ΠΏΡΠ±Π»ΠΈΠΊΠ°ΡΠΈΡ
πΠΊΠ»ΡΠ±ΠΈ ΠΈΠ»ΠΌΠΈ-science club
Π₯Π°Π½Π³ΠΎΠΌΠΈ Π±Π°ΡΠ΄ΠΎΡΡΠ°Π½ΠΈ ΡΡΠ°Π½Π³Π°ΠΈ 50ΠΊΠ³ (Π½ΠΈΠ³. Π±Π° ΡΠ°ΡΠΌ) Π²Π°ΡΠ·ΠΈΡΠ³Π°Ρ ΡΠΈ ΠΊΠ°Π΄Π°Ρ ΠΊΠΎΡΡΠΎ ΠΈΡΡΠΎ ΠΊΠ°ΡΠ΄?
ΠΠ°ΠΊΡΡ ΡΠ°Π±ΠΎΡΡ ΡΠΎΠ²Π΅ΡΡΠΈΠ» ΡΠΏΠΎΡΡΡΠΌΠ΅Π½, ΠΏΠΎΠ΄Π½ΡΠ² ΡΡΠ°Π½Π³Ρ ΠΌΠ°ΡΡΠΎΠΉ 50 ΠΊΠ³ (ΡΠΌ. ΡΠΈΡΡΠ½ΠΎΠΊ)?
A weightlifter is lifting weights of mass 50kg up to a height of 2 meters.
Calculate the amount of work done by weightlifter.
Π‘Π»Π΅Π΄ΡΡΡΠ°Ρ ΠΏΡΠ±Π»ΠΈΠΊΠ°ΡΠΈΡ
ΠΠ΅Ρ ΠΊΠΎΠΌΠΌΠ΅Π½ΡΠ°ΡΠΈΠ΅Π²