Un Facchino trasporta una grossa cassa di 120 kg con il suo carrello. Calcola la forza che deve applicare per tenere il carrello nella posizione jndicata nella figura (il punto centrale della cassa è il suo baricentro

Aplane travels 1000 miles in 5 hours .what is the planes average speed?

Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.

Failure to accomplish erikson’s psychosocial task of late adulthood leads to despair. a. true b. false