2) Qual a diferença de intensidade na colisão de um veículo de massa contra um poste a 36 km/h ou a 108 km/h?

false

explanation:

boats, things on boats luggage are way more heavy then water.

the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.

the answer is f1 and d2 because if you put equal force on those two points the beam would balance trust me on this

report!

explanation:

physics means: "the branch of science concerned with the nature and properties of matter and energy. the subject matter of physics, distinguished from that of chemistry and biology, includes mechanics, heat, light and other radiation, sound, electricity, magnetism, and the structure of atoms."