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

i would say the answer is food.

hope this !

it's when something is going so fast it makes a loud noise, breaking the sound barrier, for example: a jet makes a loud noise, not only cause of the jet but because they reached a point where they went so fast that you can year the noise from various parts, kinda like a police car, lets say the car was going   so fast that you hear the siren of the cop car right next to you, but the car is probably a mile a way, it's cos the siren was next to you a few seconds if you understand me

0.93xc=0.93x3x10^8m/s

2.54cm is 1 inch

360seconds i 1 hr