W wodospadzie o wysokości 50 m w czasie 12 min spada 900 m3 wody. Oblicz jaką moc można uzyskać z turbin wodnych napędzanych wodą tego wodospadu, zakładając że uda się wykożystać tylko 50% spadającej wody.

Zamir and talia raced through a maze. zamir walked 2 m north, 2 m east, 4 m south, 2 m east, 4 m north, 2 m east, 3 m south, 4 m east and 4 m north. talia walked 2 m north, 6 m east, 3 m south, 4 m east, and 4 m north. compare their displacements:

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong chain

Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?