Samochód o masie M ciągnie przyczepkę o masie m poruszany siłą napędową 1000 N. Oblicz przyspieszenie zestawu pojazdów i siły działające na samochód i przyczepkę.
M = 500 kg, m = 100 kg

Daje Naj

Afixed electric space heater wired by a cable with an ampacity of 30 a should draw a maximum current of a. 30 a. b. 24 a. c. 15 a. d. 27 a.

The vapour pressure of benzene is 53.3 kpa at 60.6 °c, but it fell to 51.5 kpa when 19.0 g of a non-volatile organic compound was dissolved in 500 g of benzene. calculate the molar mass of the compound.

Which statement best describes the direction of the buoyant force on any object? a. opposite the force of gravity b. in the same direction as the weight c. in the direction of motion of the object d. opposite the direction of motion of the object